April · month 4 of 12
What to do in the garden in April
Every job worth doing in April, built from the real care schedules of the plants gardeners grow — with the exact plants that need each one.
Plant in April
Plant in its permanent location; deep taproot dislikes being moved.
Prune in April
Pinch back stems by 1/3 before mid-summer (Chelsea Chop) for bushier plants
Spring Cleanup in April
Rake up and dispose of fallen seed pods from the previous winter.
Divide in April
Divide large, mature clumps every 3-5 years in early spring.
Fertilize in April
Apply balanced fertilizer when new growth starts and again mid-season.
Deadhead in April
Remove spent flowers promptly to encourage rebloom and prevent self-seeding.
Mulch in April
Apply a 2-3 inch layer of mulch to conserve moisture and suppress weeds.
Check for Pests in April
Check for aphids on flower buds and new growth.
Stake in April
Install tall stakes early to support heavy flower spikes and prevent wind damage.
Pinch Tips in April
Pinch back stems by half before mid-June for bushier growth and less flop
Propagate in April
Take basal cuttings from new growth in early spring to maintain cultivar traits.
Harvest in April
Cut stems when buds show color; sear stem ends immediately for best vase life.
Spray Treatment in April
Apply fungicide preventatively to manage rust, especially during humid periods.
What's blooming in April
In flower around now.
Frost dates and bloom windows are typical ranges, not guarantees — your microclimate moves them by weeks. Sow uses your real local forecast instead.
April questions
What should I do in the garden in April?
The jobs that matter most this month are plant, prune, spring cleanup, divide. Each section above lists the specific plants that need that job in April — drawn from the care schedules of the plants gardeners actually grow.
Does this calendar change by hardiness zone?
The tasks are the same, but which plants you can grow is not. Pick your zone below to see this month's jobs filtered to plants that survive your winters.
What's blooming in April?
May Night Sage, Walker's Low Catmint, Dwarf Wild Indigo, Prairie Phlox, Wild Lupine and others are in flower around now. The full list is above.
Keep exploring
Get April's tasks for your own plants
Sow builds this checklist from the plants actually in your yard — and adjusts it to your real forecast, so a wet week skips the watering and a frost warning reaches you first.
