October · month 10 of 12
What to do in the garden in October
Every job worth doing in October, built from the real care schedules of the plants gardeners grow — with the exact plants that need each one.
Plant in October
Plant bare root or container plants in spring or early fall.
Prune in October
Cut spent flower stalks back to the ground after blooming.
Divide in October
Divide crowded clumps every 3-4 years in spring or fall.
Fertilize in October
Use a balanced liquid fertilizer monthly during active bloom periods
Deadhead in October
Remove spent flower spikes to encourage continuous blooming.
Mulch in October
Apply light mulch to keep soil cool and delay bolting
Check for Pests in October
Check for powdery mildew, especially during humid weather.
Pinch Tips in October
Pinch back leggy stems to maintain a compact, bushy shape
Propagate in October
Collect mature seeds from dried pods for winter sowing
Harvest in October
Harvest flowers when fully open for cutting.
Winter Prep in October
Stop deadheading in fall; leave seed heads for winter interest and to feed birds.
Lift & Store in October
Dig tubers after foliage dies back; store dry and cool for winter
What's blooming in October
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.
October questions
What should I do in the garden in October?
The jobs that matter most this month are plant, prune, divide, fertilize. Each section above lists the specific plants that need that job in October — 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 October?
Cheyenne Spirit Coneflower, Pink Muhly Grass, Walker's Low Catmint, American Gold Rush Black-eyed Susan, Purple Dome New England Aster and others are in flower around now. The full list is above.
Keep exploring
Get October'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.