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Zone 7B — September

What to Plant in September in Zone 7B

September in Zone 7B: 0 crops to start indoors, 0 to plant or direct sow outside, and 20 entering harvest window. Last frost averages April 7. Reference city: Charlotte, NC.
Updated May 13, 2026 · Frost data from NOAA 1991-2020 Climate Normals
0 Start Indoors
0 Plant Outside
20 Harvest
Frost risk: Cleared

Frost season has cleared in Zone 7B. The last spring frost typically passed by April 7, and the very latest 10% chance closed by April 23. Tender crops are safe to plant out.

See full Zone 7B frost outlook →

Start Indoors in September

Nothing to start seeds indoors in September for Zone 7B.
Next window: October — 1 variety, including Garlic.

Plant Outside in September

Nothing to plant or sow outside in September for Zone 7B.
Next window: October — 3 varieties, including Elephant Garlic, Garlic, Softneck Garlic.

Harvest in September

Plant Type Planted / Sown Harvest Window
Jicama Mexican Yam Bean legume Apr 14 Sep 1 – Sep 21
Mammoth Sandwich Island Salsify root vegetable Apr 14 Sep 11
Roselle calyces and leaves vegetable Apr 14 Sep 11 – Oct 11
Astro Arugula (fall planting) lettuce Aug 20 Sep 29
Beauty Pink Radishes (fall planting) root vegetable Aug 20 Sep 19
Beauty Purple Radishes (fall planting) root vegetable Aug 20 Sep 19
Beauty White Radishes (fall planting) root vegetable Aug 20 Sep 19
Black Oil Sunflower Microgreens (fall planting) microgreen Aug 20 Sep 1
Champion Radishes (fall planting) root vegetable Aug 20 Sep 19
Cherry Belle Radish (fall planting) root vegetable Aug 20 Sep 19
Easter Egg Radishes (fall planting) root vegetable Aug 20 Sep 21
French Breakfast Radish (fall planting) root vegetable Aug 20 Sep 17
Hailstone Radishes (fall planting) root vegetable Aug 20 Sep 19
Mesclun Mix (fall planting) lettuce Aug 20 Sep 19
Purple Plum Radishes (fall planting) root vegetable Aug 20 Sep 19
Slow-Bolt (Slo-Bolt) Cilantro/Coriander (fall planting) herb Aug 20 Sep 29
Sparkler Radishes (fall planting) root vegetable Aug 20 Sep 19
Speckled Pea Shoot Microgreens (fall planting) microgreen Aug 20 Sep 3
Tango Lettuce (fall planting) lettuce Aug 20 Sep 29
White Icicle Radishes (fall planting) root vegetable Aug 20 Sep 29

Key Tasks for September in Zone 7B

  1. 1 Check soil moisture before watering — stick a finger 2 inches into the soil. Water only when the soil is dry at that depth. Consistent moisture is more important than frequency.
Back to full Zone 7B planting calendar
August September in Zone 7B October

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