Zone 8 · winter lows 10°F to 20°F

October garden checklist for Zone 8

Every October job that matters, limited to plants that actually survive Zone 8 winters (10°F to 20°F). Last frost lands around late March.

8 tasks this month30+ in bloomFirst frost ~mid-November

Plant in October

Plant in its permanent location; deep taproot dislikes being moved.

Prune in October

Cut back stems to the ground in late fall or early spring.

Divide in October

Divide large clumps every 3-5 years to maintain vigor

Deadhead in October

Remove spent flowers to encourage continuous blooming

Mulch in October

Apply a layer of mulch around the base before winter

Propagate in October

Collect mature seed pods in fall for propagation

Harvest in October

Cut plumes for dried arrangements when fully open and fluffy.

Winter Prep in October

Leave seed heads standing for winter interest and to feed birds.

What's blooming in October

In flower around now and hardy in Zone 8.

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 be doing in my Zone 8 garden in October?

The jobs that matter most this month are plant, prune, divide, deadhead. Each section above lists the specific plants that need that job in October, filtered to what survives Zone 8 — drawn from the care schedules of the plants gardeners actually grow.

When is the last frost in Zone 8?

In Zone 8, the last spring frost typically lands around late March and the first fall frost around mid-November, with winter lows of 10°F to 20°F. Those two dates bracket most planting decisions — check your local forecast before acting on either, since microclimate and elevation shift them by weeks.

What's blooming in October?

Cheyenne Spirit Coneflower, Pink Muhly Grass, Walker's Low Catmint, Black-eyed Susan, Pugster Pink Butterfly Bush and others are in flower around now in Zone 8. 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.

Download Sow on the App StoreGet Sow on Google Play