What To Do With Wallflowers When They Finish Flowering? 9 Best Steps

When the vibrant crescendo of spring and summer blossoms slowly fades, leaving behind a garden that seems to whisper in muted tones, what do you do with those quiet, unassuming wallflowers once they’ve completed their glorious floral serenade?

Much like unsung heroes waiting for their moment, these unpretentious yet captivating plants deserve more than just a passing glance.

As the stars of the floral world take their final bow, it’s time to shine a spotlight on the often-overlooked beauty of wallflowers and explore the enchanting possibilities that await when they finish flowering.

Prepare to embark on a horticultural journey where post-bloom dormancy transforms into an artful canvas of potential, and the question shifts from “what to do” to “what can you create?”


Table of Contents

What To Do With Wallflowers When They Finish Flowering

When wallflowers have finished flowering, it’s essential to take appropriate steps to ensure their continued health and beauty in your garden.After wallflowers finish flowering, prune them by cutting back spent flowers and stems to encourage new growth.

Deadhead regularly to prolong blooming, and consider dividing and replanting them every few years for healthier plants.Follow these guidelines for post-flowering care and maintenance.

Pruning and Deadheading:

One crucial aspect of caring for wallflowers after they finish flowering is pruning and deadheading. Use sharp garden shears to trim back the spent flowers and any leggy or straggly growth. This encourages the plant to divert its energy into producing new growth and potentially more blooms.


To keep your wallflowers thriving, consider feeding them with a balanced, slow-release fertilizer after flowering. This replenishes the nutrients in the soil and supports their overall health. Applying fertilizer in late spring or early summer is typically ideal for these biennial plants.

Dividing and Transplanting:

If your wallflowers have grown overcrowded or are in an unsuitable location, it’s a good time to consider dividing and transplanting them. This helps rejuvenate the plants and can improve their performance in the coming seasons. Be sure to choose a well-draining location with partial to full sun.

Mulching and Winter Protection:

As the growing season transitions into fall and winter, it’s wise to add a layer of mulch around the base of your wallflowers. Mulch helps conserve moisture, suppress weeds, and insulate the soil during colder months, protecting the plants from harsh winter conditions.

Seeding and Self-Sowing:

Wallflowers are known for their ability to self-sow. If you want to encourage this natural propagation, allow some spent flowers to go to seed. However, keep in mind that self-sowing can lead to overcrowding, so monitor and thin out seedlings as needed.

What To Do With Wallflowers When They Finish Flowering?

Task Description
Deadheading Remove spent flowers to encourage new blooms and maintain a tidy appearance.
Pruning Trim back leggy stems to promote bushier growth and overall plant health.
Fertilizing Provide a balanced fertilizer to support ongoing growth and flowering.
Dividing (optional) Divide overcrowded clumps to rejuvenate the plants and enhance flowering in the next season.
Mulching Apply a layer of organic mulch to retain moisture, suppress weeds, and regulate soil temperature.
Watering Ensure consistent watering, especially during dry periods, to keep the soil evenly moist but not waterlogged.
Collecting Seeds (optional) If you want to propagate wallflowers, collect seeds once the pods have formed and dried on the plant.
Inspect for Pests and Diseases Regularly check for signs of pests or diseases and take appropriate measures for control or treatment.
Plan for Next Season Consider the overall garden design and plan for the placement of wallflowers in the next growing season.

Understanding about Wallflowers

Defining Wallflowers:

Wallflowers, often referred to as Erysimum or Cheiranthus, are vibrant and fragrant flowering plants known for their charming appearance.

These biennial or perennial garden residents are renowned for their vivid blossoms and their unique ability to thrive in various garden settings.

Significance in Gardens:

Wallflowers hold a special place in the hearts of garden enthusiasts, thanks to their vibrant and long-lasting blooms. These hardy plants add a burst of color and fragrance to gardens, making them an ideal choice for enhancing visual appeal and attracting pollinators.

Importance of Post-Flowering Care:

After wallflowers finish flowering, taking proper care of them is essential to ensure their continued health and beauty.

Neglecting this phase can impact their long-term performance and detract from the overall garden’s charm. In this guide, we’ll explore the steps to maintain and propagate these garden favorites.

Wallflower Varieties and Characteristics

Wallflowers come in various varieties that offer a wide range of colors, sizes, and shapes.
These delightful perennial plants are part of the Erysimum genus, known for their vibrant blossoms.

Wallflowers are celebrated for their charming foliage, which includes slender, lance-shaped leaves.
The most popular varieties include the Erysimum cheiri (common wallflower), Erysimum linifolium (purple wallflower), and Erysimum ‘Bowles’s Mauve’.

Blooming Season and Duration

Wallflowers are known for their prolonged blooming season, which typically spans from early spring to late summer.

These hardy plants can provide a burst of color for up to four months, making them a favorite among gardeners.

The fragrant blooms are often available in shades of yellow, orange, red, and purple, depending on the variety.

Wallflowers are characterized by their ability to re-bloom if properly maintained, extending the floral display.

Signs of Finishing Flowering

As the blooming period of wallflowers comes to an end, there are clear signs to watch for.

One of the first indicators is the appearance of spent or withered blooms, which need to be promptly removed to encourage new growth.

Another sign is the plant’s gradual reduction in the number of flowers and the overall lushness of the display.

Wallflowers may begin to produce seedpods, signaling the conclusion of their flowering phase and the start of seed development.

Immediate Post-Flowering Care


Deadheading Spent Blooms

  • Deadheading wallflowers is essential to promote prolonged blooming.
  • Gently remove faded blossoms using pruning shears or your fingers.
  • This prevents seed formation, encouraging the plant to channel energy into new growth.
  • Regular deadheading keeps the garden looking fresh and vibrant.

Pruning and Shaping

  • Pruning wallflowers involves cutting back leggy or overgrown branches.
  • Use clean, sharp pruning shears to shape the plant and maintain a compact form.
  • Aim to maintain a balanced structure to ensure proper air circulation.
  • Pruning after flowering helps the wallflower maintain its overall health and appearance.

Fertilizing and Soil Rejuvenation

  • Fertilize wallflowers with a balanced, slow-release fertilizer.
  • Apply it around the base of the plant to provide essential nutrients.
  • Soil rejuvenation is crucial; amend the soil with compost to enhance fertility.
  • A well-nourished plant yields more blooms and healthier foliage.

Pest and Disease Management

  • Regularly inspect your wallflowers for signs of pests like aphids and diseases like powdery mildew.
  • Implement organic pest control methods, such as neem oil or insecticidal soap.
  • For disease management, ensure proper spacing and avoid overhead watering.
  • Swift action is essential to prevent infestations from spreading.

Options for Propagation

Seed Collection and Storage

Gather Wallflower Seeds: Once your wallflowers finish flowering, consider collecting their seeds to expand your garden or share with others.

Wait for Seed Pods to Mature: Allow the seed pods to ripen on the plant until they turn brown, typically in late summer or early fall.

Harvesting Seeds: Gently pluck the mature seed pods and place them in a paper bag to avoid moisture buildup.

Proper Storage: Store the seeds in a cool, dry place in labeled envelopes or containers to ensure you can identify the varieties easily.

Sow in Spring: Plant the collected seeds in the spring for new wallflower growth in your garden.

Division of Mature Plants

Identify Mature Plants: Choose well-established wallflowers with multiple stems and a healthy root system for division.
Spring Division: Spring is the ideal time for dividing wallflowers. Lift the plant carefully and separate it into smaller sections.
Replant Separated Sections: Replant the divided sections into prepared soil, ensuring they have adequate space to grow.
Water and Mulch: Keep the newly divided plants well-watered and mulch around them to retain moisture and protect against weeds.
Monitor Growth: Over time, these divisions will develop into robust wallflower plants.

Softwood Cuttings

Select Healthy Shoots: During the growing season, typically in late spring or early summer, identify healthy, non-flowering shoots for cutting.
Take Cuttings: Cut 4-6 inch sections of the soft, green shoots just below a leaf node, ensuring they have several leaves.
Remove Lower Leaves: Strip the lower leaves from the cuttings to create a clean stem for planting.
Dip in Rooting Hormone: Dip the cut end of the cutting in a rooting hormone to encourage root development.
Plant and Care: Insert the cuttings in a well-draining rooting medium, keep them moist, and provide a controlled environment with high humidity for successful rooting.
Transplanting: Once the cuttings have roots, transplant them into the garden or larger containers.

By understanding these propagation methods – seed collection and storage, division of mature plants, and softwood cuttings – you can continue to enjoy the beauty of wallflowers in your garden while expanding their presence or sharing their charm with fellow garden enthusiasts.

These techniques empower you to propagate wallflowers easily, enriching your garden and landscape.

Overwintering Wallflowers


Preparing for Winter

As the vibrant wallflowers near the end of their flowering season, it’s crucial to prepare them for the challenges of winter.

Ensuring they survive the colder months can make a significant difference in their health and blooming performance next spring.

Mulching and Protection

Mulching is a key aspect of winterizing wallflowers. A layer of mulch around the base of the plants provides several benefits. It helps regulate soil temperature, preventing freezing and thawing that can damage the roots. Additionally, it offers protection from winter winds and insulates the soil.

Winter Watering

Proper winter watering is often overlooked but is crucial for wallflowers’ survival during the cold season. While they require less water in winter, they still need some moisture to prevent their roots from drying out completely.

By following these overwintering techniques, you can help your wallflowers stay healthy and vibrant, ready to burst into bloom when spring arrives.

Repositioning Wallflowers

Considering Their Preferences:

Wallflowers thrive when you understand their preferences. Take note of their sunlight requirements, as most prefer full sun or light shade.

Their well-drained soil preferences and tolerance for alkaline conditions are key factors to consider. By respecting their preferences, you set the stage for their continued success in your garden.

Companion Planting:

Companion planting with wallflowers is an excellent strategy. Their vibrant blooms and intoxicating fragrance make them ideal companions for other garden staples like roses, lavender, or tulips.

Wallflowers attract pollinators, enhancing the overall biodiversity in your garden. Selecting the right companions can lead to a harmonious and visually appealing garden.

Rejuvenation Pruning:

Regular rejuvenation pruning is a key aspect of wallflower care. This involves cutting back leggy or woody growth to encourage new shoots and more blooms.

You can do this in late spring or early summer when the plant has finished flowering. Pruning helps maintain the plant’s shape and prevents it from becoming too unruly.

It’s an essential practice to ensure your wallflowers stay vigorous and attractive year after year. Incorporating these considerations into your wallflower care routine will ensure they continue to thrive and beautify your garden.

Whether it’s respecting their preferences, companion planting, or rejuvenation pruning, these strategies can help you enjoy the splendor of wallflowers for many seasons to come.

Utilizing Spent Wallflowers


  • Repurpose faded wallflowers by composting them to enrich your garden’s soil.
  • Decomposing wallflower plants add valuable organic matter to the compost heap.
  • Promote sustainability and reduce waste by incorporating spent flowers into your composting routine.

Crafting with dried flowers:

  • Embrace your creative side by crafting with dried wallflowers.
  • Create unique decorations and arrangements using dried wallflower blooms.
  • Dried wallflowers are excellent for making wreaths, potpourri, and floral art.

Wildlife-friendly approaches:

Support local wildlife by leaving spent wallflowers in the garden.
Seed heads of wallflowers provide a natural food source for birds and insects.
Encourage a biodiverse ecosystem in your garden by letting nature take its course with your spent wallflowers.

Long-Term Maintenance

Regular Pruning and Deadheading

Pruning Wallflowers: To keep your wallflowers thriving, regular pruning is essential. This process involves cutting back overgrown or dead branches to encourage new growth.

Deadheading Wallflowers: Deadheading, the removal of spent flowers, is a simple yet effective way to extend the blooming season and prevent self-seeding, which can sometimes lead to overcrowding.

Fertilizing Schedules

Wallflower Fertilization: Implementing a consistent fertilizing schedule is crucial. This helps maintain the health and vigor of your wallflowers. Use a balanced, slow-release fertilizer to nourish the soil.

Fertilizing Frequency: Depending on the type of fertilizer used, aim for monthly or quarterly application during the growing season.

Dealing with Aging Plants

Recognizing Aging Wallflowers: As wallflowers age, they might become leggy and produce fewer blooms. It’s essential to identify signs of aging, such as reduced flowering and overall decline.
Renewal Pruning: When wallflowers start showing signs of aging, consider renewal pruning. This method involves cutting back the plant to rejuvenate its growth and improve its overall appearance.

Wallflowers in Container Gardens

Container Maintenance:

  • Container gardening with wallflowers offers versatility.
  • To ensure healthy container growth, regular maintenance is key.
  • Well-draining pots are vital to prevent root rot.
  • Use lightweight potting mix to aid aeration.
  • Position containers where they receive ample sunlight.
  • Monitor soil moisture and provide consistent watering.
  • Use saucers to avoid water damage to decks or patios.

Potting and Repotting Guidelines:

  • Choose containers with drainage holes for good aeration.
  • Repot when roots become crowded, typically every 2-3 years.
  • Select a slightly larger container with fresh potting mix.
  • Gently remove wallflowers from their old container.
  • Prune overgrown roots before replanting.
  • Ensure the crown of the plant sits at the same depth as before.

Winter Care for Potted Wallflowers:

  • As winter approaches, protect potted wallflowers from frost.
  • Move containers indoors or into a sheltered area.
  • Use mulch or straw to insulate the soil and roots.
  • Reduce watering, but don’t let the soil dry out completely.
  • Prune back tall growth to prevent wind damage.
  • In late winter, check for signs of new growth and resume regular care.

Troubleshooting Common Issues

Yellowing Leaves and Nutrient Deficiencies

Yellowing leaves can be a vexing problem for wallflower enthusiasts, and it’s often an indicator of nutrient deficiencies.

Many gardeners express concern over their wallflowers’ leaves turning yellow or pale green, which is an issue that requires prompt attention.

This common occurrence is associated with insufficient nutrients, primarily nitrogen. To address this, you’ll want to consider a well-balanced fertilizer that includes nitrogen to restore the vibrant green color to your wallflowers’ foliage.

Look for signs of other nutrient deficiencies, such as brown or crispy leaf edges or stunted growth, and address them accordingly.

Common words and phrases: yellowing leaves, pale green foliage, nutrient deficiencies, nitrogen deficiency, well-balanced fertilizer, leaf discoloration, stunted growth.

Pests and Diseases

Dealing with pests and diseases can be a headache for gardeners trying to maintain healthy wallflowers.

Frequently, gardeners face issues such as aphids, snails, slugs, and fungal infections that can harm the plants. Many inquiries revolve around questions about how to get rid of these garden intruders.

Organic remedies like neem oil, ladybugs, or hand-picking pests are sought after solutions for gardeners looking to avoid chemical treatments.

Additionally, discussing the importance of preventative measures, such as proper spacing to reduce disease spread and monitoring for early signs of trouble, can help keep wallflowers flourishing.

Common words and phrases: garden pests, aphids, snails, fungal infections, organic remedies, neem oil, preventative measures, chemical treatments, early signs of trouble.

Weak Growth and Leggy Stems

Wallflowers occasionally exhibit weak growth and leggy stems, a concern frequently raised by gardeners looking for a solution.

This often results from insufficient sunlight or overcrowding. To address this issue, it is recommended to relocate the wallflowers to a sunnier spot, ensuring they receive at least 6-8 hours of sunlight daily.

Pruning can also aid in promoting bushier growth. Gardeners often seek advice on how to make their wallflowers more compact and robust, which involves trimming back leggy stems to encourage denser foliage.

Benefits of Wallflowers


Aesthetic Appeal

Wallflowers, with their vibrant colors and graceful, vertical growth, add an enchanting charm to any garden landscape.

Their vivid blooms create a visual masterpiece that awakens the senses. These ornamental plants exhibit an exquisite, classic beauty that appeals to both seasoned gardeners and novices alike.

Whether used as border plants, in rock gardens, or as part of mixed beds, wallflowers infuse a burst of color and elegance into your outdoor space, enhancing the overall visual impact of your garden.

Fragrance in the Garden

The delightful fragrance emitted by wallflowers is one of their most captivating features. Often described as sweet, spicy, or even clove-like, the scent wafting from these blooms fills the air with an enchanting perfume.

It’s not just a treat for your olfactory senses but also a conversation starter, as visitors and passersby are invariably drawn to the intoxicating aroma.

Wallflowers provide an aromatic symphony that elevates the sensory experience of your garden, making it a sanctuary of natural fragrance.

Pollinator-Friendly Properties

Gardeners and environmental enthusiasts appreciate wallflowers for their pollinator-friendly characteristics.

These nectar-rich flowers act as magnets for bees, butterflies, and other beneficial insects, contributing to the vitality of your garden ecosystem.

Their abundant nectar serves as a vital food source, ensuring the well-being of these important pollinators.

By fostering biodiversity and attracting pollinators, wallflowers help to balance your garden’s ecosystem while promoting the overall health and productivity of surrounding plants.

When They Finish Flowering?

“When They Finish Flowering” is a pivotal phase in the life cycle of plants, marked by a transition in their appearance and growth.

As flowers begin to fade, many gardeners contemplate what to do next. This post-flowering period involves a set of essential steps, including deadheading spent blooms, pruning, and ensuring proper care for plants.

Knowing what to do “When They Finish Flowering” can revitalize your garden and prepare it for the next blooming cycle. It’s a time to assess the overall health of your plants, trim back unruly growth, and promote future vitality by nurturing the plant’s root system.

This period is not just about endings; it’s also about the promise of new beginnings in your garden.

Certainly! Here are some uniquely written Frequently Asked Questions (FAQs) about what to do with wallflowers when they finish flowering:

What should I do with my wallflowers after they’ve finished flowering?

Answer: Wallflowers can be pruned back to encourage new growth and prevent them from becoming too leggy. Simply trim the faded flowers and any long, straggly stems to promote bushier growth.

Can I leave the dead flowers on my wallflowers for a while?

Answer: While you can leave the dead flowers for a short time for their seed pods to develop, it’s generally best to deadhead them promptly to keep the plant looking tidy and to redirect energy into new growth.

Do wallflowers benefit from fertilizer after flowering?

Answer: Yes, wallflowers can benefit from a light application of balanced fertilizer after they’ve finished flowering. This helps replenish nutrients and supports their overall health.

Should I water my wallflowers differently once they’ve finished blooming?

Answer: Adjust your watering routine for wallflowers after flowering. While they appreciate regular watering during their blooming period, you can reduce the frequency to avoid waterlogged soil when they’re not actively growing.

Can I transplant or divide my wallflowers after they’re done flowering?

Answer: Wallflowers can be divided or transplanted in the fall after they finish flowering or in early spring before they start growing vigorously again. This can help rejuvenate older plants and create new ones.

Are there any pests or diseases to watch out for after wallflowers finish flowering?

Answer: Keep an eye out for common garden pests like aphids and caterpillars, which may target wallflowers even after flowering. Also, be vigilant for signs of fungal diseases, especially in humid conditions.

When is the best time to collect wallflower seeds for propagation?

Answer: The best time to collect wallflower seeds for propagation is when the seed pods have turned brown and begin to split open. Harvest the seeds, store them in a cool, dry place, and sow them in the following growing season.

Can I cut back my wallflowers severely after they finish flowering to reshape them?

Answer: While it’s generally recommended to lightly trim wallflowers after flowering, you can do a more significant pruning in early spring if needed to reshape or rejuvenate the plant. However, avoid cutting them back too harshly, as this can stress the plant.

Should I mulch around my wallflowers after they’re done blooming?

Answer: Mulching around wallflowers after flowering can help retain moisture, suppress weeds, and protect the roots from temperature fluctuations. Use a layer of organic mulch, but avoid piling it against the plant’s stem.

Can wallflowers be grown as perennials, or do I need to replant them every year?

Answer: Wallflowers are often grown as biennials or short-lived perennials. While they may survive for a few years, they tend to perform best when replanted every 2-3 years for consistent flowering and vigor.


In conclusion, knowing what to do with wallflowers when they finish flowering is essential for maintaining a healthy and vibrant garden.

By following the proper care and maintenance practices discussed in this article, gardeners can ensure the longevity and continued beauty of these charming plants.

Whether it’s deadheading spent flowers, pruning, or providing the right environmental conditions, the effort invested in caring for wallflowers is rewarded with a garden that remains a source of joy and color year after year.

So, as the blooms of your wallflowers fade, remember that with a little attention and care, they will flourish once again, bringing beauty and fragrance to your garden season after season.

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