Cut These 11 Spring Perennials After Bloom – They’ll Flower Again!
Many gardeners assume that once spring perennials finish blooming, the show is over until next year.
But that's not always true.
With a little strategic pruning and deadheading, many popular spring perennials can reward you with a second flush of flowers later in the season. Even when reblooming isn't dramatic, cutting plants back at the right time helps maintain healthier foliage, stronger roots, and more attractive garden beds.
If you want more blooms without buying more plants, these 11 spring perennials deserve your attention.
Why Cutting Back Spring Perennials Works
After flowering, many plants focus their energy on producing seeds.
When you remove spent blooms and old flower stalks, the plant redirects energy toward:
- New growth
- Additional flower production
- Stronger roots
- Healthier foliage
- Disease prevention
This simple gardening task can dramatically improve your landscape throughout summer and fall.
Quick Reference Table
1. Catmint (Nepeta)
Catmint is one of the easiest perennials to rebloom.
After the first spectacular wave of lavender-blue flowers fades, simply shear the plant back by one-third.
Benefits of Cutting Back
- Encourages fresh growth
- Produces a second bloom cycle
- Prevents floppy stems
- Maintains compact shape
What You'll Need
- Sharp pruning shears
- Gardening gloves
2. Peony
Peonies won't typically bloom twice in one season, but removing spent flowers is still important.
Why Deadhead Peonies
- Prevents seed production
- Improves appearance
- Supports healthier foliage
How To Do It
Cut faded blooms just above the first set of healthy leaves.
Leave foliage intact until autumn.
3. Bearded Iris
Many gardeners make the mistake of cutting back iris leaves too soon.
What To Remove
- Spent flower stalks
- Dead or damaged leaves
What To Leave
Healthy green foliage remains critical because it stores energy for next year's blooms.
Pro Tip
Only remove leaves after they naturally yellow later in the season.
4. Salvia
Salvia is famous for rewarding gardeners who prune properly.
Why It Reblooms
Once flower spikes fade, cut them back immediately.
Results
- New flower spikes
- More pollinator activity
- Longer flowering season
Best Time
Immediately after first bloom cycle.
5. Columbine
Columbine often looks tired after flowering.
A quick trim can rejuvenate the entire plant.
Benefits
- Encourages fresh foliage
- Prevents unwanted self-seeding
- Improves appearance
How Much To Cut
Reduce spent flower stems down to the basal foliage.
6. Lupine
Lupines can often surprise gardeners with a second flowering period.
How To Encourage Reblooming
Remove spent flower spikes before seeds develop.
Benefits
- Additional flowers
- Longer blooming season
- Better overall appearance
7. Allium
The dramatic flower heads of alliums remain attractive even after flowering.
What To Remove
Only cut off flower heads once they become unattractive.
Important
Leave foliage in place until it naturally dies back.
The leaves feed the bulb for next year.
8. Bleeding Heart
Bleeding Heart naturally declines during hot summer weather.
Why Cut It Back
Removing faded growth:
- Improves garden appearance
- Encourages fresh foliage
- Prevents disease problems
Best Timing
After flowering ends and foliage begins yellowing.
9. Delphinium
Delphiniums are among the best reblooming perennials.
How To Get More Flowers
Cut flower spikes nearly to ground level after blooming.
Results
- New growth
- Late-season flowers
- Stronger plants
Bonus
Feed lightly after pruning for best results.
10. Garden Phlox
Phlox rewards consistent deadheading.
Why It Works
Removing spent blooms encourages the plant to continue producing flowers rather than seeds.
Benefits
- Extended bloom period
- Improved appearance
- Better pollinator support
11. Campanula (Bellflower)
Campanulas often respond exceptionally well to deadheading.
Advantages
- Longer flowering season
- Compact growth
- Continuous color
How To Prune
Remove faded blooms regularly throughout summer.
Essential Tools for Cutting Back Perennials
Having the right tools makes pruning easier and safer.
Recommended Equipment
- Bypass pruning shears
- Gardening gloves
- Hand pruners
- Garden bucket
- Disinfectant spray for tools
Common Pruning Mistakes to Avoid
Cutting Too Early
Leaves continue feeding roots long after flowers fade.
Removing Healthy Foliage
Only remove damaged or unnecessary growth.
Using Dull Tools
Clean cuts heal faster and reduce disease risks.
Ignoring Deadheading
Many reblooming perennials require prompt deadheading for best results.
Benefits of Cutting Back Spring Perennials
More Flowers
Many plants produce a second bloom cycle.
Healthier Plants
Improved airflow reduces disease problems.
Better Appearance
Gardens remain neat and attractive longer.
Increased Pollinator Activity
Additional blooms mean more nectar for bees and butterflies.
Reduced Self-Seeding
Prevents unwanted seedlings throughout the garden.
Frequently Asked Questions
Will all spring perennials bloom again after cutting back?
No. Some rebloom readily, while others benefit primarily through improved health and appearance.
What is deadheading?
Deadheading means removing spent flowers before seeds form.
When should I cut back iris leaves?
Only remove flower stalks after blooming. Leave green foliage until it naturally yellows.
Which perennial reblooms the most?
Catmint, Salvia, Delphinium, and Campanula are among the best rebloomers.
Can cutting back damage my plants?
Not when done correctly with clean tools and proper timing.
Should I fertilize after pruning?
A light feeding often encourages fresh growth and reblooming.
Enjoy More Flowers With Less Effort
Many gardeners leave valuable blooms on the table simply because they don't prune at the right time.
By cutting back these 11 spring perennials after flowering, you can encourage healthier growth, extend blooming seasons, improve garden appearance, and even enjoy a second round of flowers.
A few minutes with a pair of pruners today can lead to weeks of additional color later in the season.
🌸 Which of these spring perennials grows in your garden right now?
