March · month 3 of 12
What to do in the garden in March
Every job worth doing in March, built from the real care schedules of the plants gardeners grow — with the exact plants that need each one.
Plant in March
Plant in its permanent location; deep taproot dislikes being moved.
Prune in March
Cut back all stems to 6-12 inches from the ground in late winter or early spring.
Spring Cleanup in March
Cut back old, dead stems to the ground before new growth emerges
Divide in March
Divide crowded clumps every 3-4 years in spring or fall.
Fertilize in March
Apply a light, balanced fertilizer in early spring if soil is poor.
Deadhead in March
Remove spent flower stalks to encourage more blooms and tidy the plant.
Mulch in March
Apply a light layer of mulch in spring to conserve moisture
Check for Pests in March
Inspect for iris borers; look for chewed leaf edges or soft rhizomes.
Stake in March
Guide new growth onto the trellis or support structure.
Pinch Tips in March
Pinch back leggy stems to maintain a compact, bushy shape
Propagate in March
Take basal cuttings from new growth in early spring to maintain cultivar traits.
Harvest in March
Cut stems when buds show color but are still closed for best vase life
Spray Treatment in March
Apply dormant oil in late winter; treat for scab/pests during bloom
What's blooming in March
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.
March questions
What should I do in the garden in March?
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 March — 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 March?
Common Blue Violet, Daffodil Narcissus Hybrida Mix, Primrose, Hellebore Wedding Party Mix, Jumbo Mixed Hyacinth and others are in flower around now. The full list is above.
Keep exploring
Get March'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.
