Part XV

Seed starting

Give a last frost date and a USDA zone. The folio returns when to start indoors, transplant, or sow outdoors — vegetables, herbs, flowers, and fruit.

Typical last frost for 6b is the date we filled in. A ridge runs colder than a hollow — treat the week as a window, not a promise. Soil temperature still rules a bean.

Seed flat and packets on cream paper

Your frost and zone

East Tennessee hill country. Dates persist on this device until you sign in. Sign in to sync

Print this calendarGrow lab

By crop

3 of 109 crops in the folio

Vegetable · Seed

Corn

Zea mays

Sow outdoors
Apr 22 – May 6

Blocks, not a single row, so the wind can pollinate. Soil 60°F, not a calendar wish.

Sow outdoors 1–3 weeks after last frost. Soil about 60°F before anything goes in the ground.

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Flower · Seed

Cornflower

Centaurea cyanus

Start indoors
Mar 4–18
Sow outdoors
Mar 18 – Apr 8
Transplant outdoors
Apr 1–15
Sow for fall
Aug 20 – Sep 3

Bachelor’s button with the lettuce. A fall sowing winters in zone 7 and warmer.

Start indoors 4–6 weeks before last frost. Transplant 0–2 weeks before last frost.

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Herb · Crown

Horseradish

Armoracia rusticana

Plant crowns
Mar 18 – Apr 8

Root cuttings in early spring. Give it a corner you will never want back.

Plant crowns 1–4 weeks before last frost. Soil about 40°F before anything goes in the ground.

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