Cool-Season Vegetable

When to Plant Broccoli in Rhode Island

A nutrition powerhouse that thrives in cool weather. Harvest the main head, then enjoy weeks of side shoots.

The Short Answer

Broccoli are cold-tolerant and do well in Rhode Island's varied climate. You can direct sow 4 weeks before your last frost — that's as early as Apr 15 - May 5 in Rhode Island. Rhode Island gardeners can also plant a fall crop. Rocky, acidic New England soils. Sandy near coast. Glacial deposits throughout. Amendment needed...

Rhode Island Frost Dates

Your planting dates depend on which part of Rhode Island you're in. Here are the frost date ranges by region:

Region	Zones	Last Frost (Spring)	First Frost (Fall)
Rhode Island	6a, 6b, 7a	Apr 15 - May 5	Oct 5 - Oct 25

Broccoli Planting Schedule for Rhode Island

Rhode Island (Zones 6a, 6b, 7a)

Average last frost: Apr 15 - May 5 · Average first frost: Oct 5 - Oct 25

Start Seeds Indoors

6 wks before frost

Transplant Outside

2 wks before frost

Direct Sow

4 wks before frost

Fall Planting

10 wks before first frost

Growing Broccoli in Rhode Island

Broccoli in Rhode Island's Climate

Broccoli grows best in spring and fall in your climate. Fall is the superior season — the gradually cooling temperatures favor tight head formation without the bolting risk of warming spring days. Start fall transplants indoors in late June, set out in late July. After harvesting the main head, leave plants for weeks of side-shoot production.

Soil Considerations for Rhode Island

Rocky, acidic New England soils. Sandy near coast. Glacial deposits throughout. Amendment needed for most vegetable gardening.

Rhode Island Climate & Growing Season

Maritime climate moderates temperatures. Four seasons. Moderate growing season. Ocean influence reduces frost risk near coast. Broccoli can handle frost well, which is an advantage in Rhode Island's climate. You can push planting dates earlier in spring and extend into fall.

Growing Tips

Harvest main head while buds are tight. Side shoots will continue producing for weeks after the main harvest.

Companion Planting

Plant broccoli alongside these companions for better growth:

Beets Celery Onions Potatoes

Keep broccoli away from:

Tomatoes Peppers Strawberries

The Bottom Line

Broccoli can be grown successfully across Rhode Island, but your exact planting dates depend on which region you're in. Rhode Island gardeners should plan around a Apr 15 - May 5 last frost, while those in Rhode Island can typically plant later. For exact dates based on your zip code, use our free planting date finder.

Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026