What should I plant in August in zone 3a?

In August in zone 3a, you can plant Spinach, Radishes, and more. Check indoor start, transplant, and direct sow dates for your specific zone.

When do I plant Spinach in zone 3a?

In zone 3a, Spinach: direct sow Apr 15--May 15.

When do I plant Radishes in zone 3a?

In zone 3a, Radishes: direct sow May 1--Aug 1.

What to Plant in August

USDA Zone 3a

Last frost: May 15 – Jun 1 Frost-free days: 90–120

Zone:

Fall planting season is starting. Direct sow radishes, lettuce, spinach, and other fast cool-season crops for autumn harvest. Start brassica transplants indoors.

August at a Glance

Indoor Transplant Direct Sow

1 5 10 15 20 25

Spinach

Radishes

Direct Sow 2

Plant these seeds directly into the soil outdoors.

Radishes

May 1 – Aug 1

16 per sq ft 22–30 days

Spinach

Aug 1–15

9 per sq ft 35–50 days

August Gardening Tips

Direct sow Spinach, Radishes straight into the garden — no transplanting needed.
Count backwards from your first frost date to determine the last safe date for starting fall crops.

Related Guides

Spacing Chart

How many plants per square foot

4×8 Raised Bed Layout

Planting plans for a standard bed

Planting Calendar

When to plant for your zone

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