What should I plant in December in zone 7b?

In December in zone 7b, you can plant Onions (seed), and more. Check indoor start, transplant, and direct sow dates for your specific zone.

When do I plant Onions (seed) in zone 7b?

In zone 7b, Onions (seed): start seeds indoors Dec 15--Jan 1, transplant outdoors Mar 1--15.

USDA Zone 7b

Last frost: Mar 15 – Apr 1 Frost-free days: 190–220

Zone:

The garden rests under snow or mulch. This is planning season — review what worked, order seeds, and sketch out next year's bed layouts.

Indoor Transplant Direct Sow

1 5 10 15 20 25

Onions (seed)

Start these seeds indoors under grow lights or on a sunny windowsill.

Onions (seed)

Dec 15 – Jan 1

9 per sq ft 100–120 days

Start Onions (seed) indoors now to give them a head start before transplanting outside.
Get a soil test now — results come back fast in the off-season and you can amend before spring.

How many plants per square foot

Planting plans for a standard bed

When to plant for your zone

Add these crops to your garden plan and get personalized planting reminders for Zone 7b.