What to Plant in September — USDA Zone 7b

Here's everything you can start, transplant, sow, and harvest in September in USDA Zone 7b. This zone has an average last spring frost around March 18 and first fall frost around November 8, with a growing season of approximately 235 days.

There are 51 planting activities for September in Zone 7b.

Zone 7b Long season

235 days

❄

Last Spring Frost March 18

➔ 235 growing days ➔

❄

First Fall Frost November 8

Harvest in September

Plant	Type	Days to Maturity
Ageratum	Flower	60–75 days
Alpine Strawberries	Fruit	90–180 days
Anemones	Flower	90–120 days
Artichoke	Vegetable	120–180 days
Bee Balm	Herb	90–120 days
Begonias	Flower	70–90 days
Belgian Endive	Vegetable	110–150 days
Black-eyed Susan	Flower	60–80 days
Calendula	Flower	50–70 days
Cardoon	Vegetable	120–150 days
Celosia	Flower	60–90 days
Chayote	Vegetable	120–180 days
Coreopsis	Flower	60–80 days
Cosmos	Flower	60–90 days
Crocus	Flower	10–20 days
Crosne	Vegetable	150–200 days
Daffodils	Flower	20–40 days
Dahlias	Flower	70–120 days
Daylily	Flower	60–90 days
Echinacea (Purple Coneflower)	Flower	70–90 days
Feverfew	Herb	90–120 days
Gaillardia (Blanket Flower)	Flower	70–100 days
Geraniums	Flower	70–100 days
Gladiolus	Flower	70–100 days
Horseradish	Vegetable	120–180 days
Hostas	Flower	60–90 days
Hot Peppers	Vegetable	70–120 days
Hyacinths	Flower	14–28 days
Hydrangeas	Flower	90–150 days
Impatiens	Flower	60–75 days
Jicama	Vegetable	120–180 days
Leeks	Vegetable	90–150 days
Lilies	Flower	70–120 days
Loofah	Vegetable	100–150 days
Luffa	Vegetable	90–150 days
Marigolds	Flower	50–70 days
Nasturtium	Flower	55–65 days
Petunia	Flower	70–90 days
Portulaca	Flower	50–70 days
Rosemary	Herb	80–180 days
Roses	Flower	90–180 days
Salvia	Flower	70–90 days
Sedum (Stonecrop)	Flower	60–90 days
Strawberries	Fruit	90–365 days
Sunchoke	Vegetable	110–150 days
Sunflower	Flower	70–100 days
Tulips	Flower	15–30 days
Valerian	Herb	120–180 days
Vinca (Annual)	Flower	70–90 days
Yarrow	Flower	60–90 days
Zinnia	Flower	60–70 days

Plant varieties + growing data

Soil survey + temperature data

Drought monitoring

Household-consumption benchmarks

Derived

Other

Frost dates

Modeling

Precipitation + climate normals

Curated

Pest + disease pressure

Local extension offices

Daylight hours + sun data

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