What should I plant in August in zone 4b?

In August in zone 4b, you can plant Spinach, Radishes, Turnips, and more. Check indoor start, transplant, and direct sow dates for your specific zone.

When do I plant Spinach in zone 4b?

In zone 4b, Spinach: direct sow Apr 1--May 1.

When do I plant Radishes in zone 4b?

In zone 4b, Radishes: direct sow Apr 15--Aug 1.

When do I plant Turnips in zone 4b?

In zone 4b, Turnips: direct sow Apr 15--May 1; Jul 15--Aug 1.

What to Plant in August

USDA Zone 4b

Last frost: May 1 – May 15 Frost-free days: 120–150

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

Turnips

Direct Sow 3

Plant these seeds directly into the soil outdoors.

Radishes

Apr 15 – Aug 1

16 per sq ft 22–30 days

Turnips

Jul 15 – Aug 1

9 per sq ft 30–60 days

Spinach

Aug 1–20

9 per sq ft 35–50 days

August Gardening Tips

Direct sow Spinach, Radishes, Turnips 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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