Herb

When to Plant Cilantro in Rhode Island

You either love it or your genetics say no. For the cilantro lovers, it's an essential herb that bolts fast in heat.

The Short Answer

Cilantro are planted in fall in Rhode Island, 6 weeks before your first frost date.

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

Cilantro 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

Direct Sow
2 wks before frost
Fall Planting
6 wks before first frost

Growing Cilantro in Rhode Island

Cilantro in Rhode Island's Climate

Cilantro thrives in your cool springs and falls but bolts rapidly once temperatures exceed 80°F. Succession plant every 2-3 weeks during the cool windows. Let some plants bolt to produce coriander seeds (a spice in their own right) and self-seed for volunteer plants next season.

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.

Growing Tips

Bolts quickly in heat — succession plant every 3 weeks and grow in partial shade during summer. Let some bolt for coriander seeds.

Companion Planting

Plant cilantro alongside these companions for better growth:

Beans Peas Tomatoes

Keep cilantro away from:

Fennel

The Bottom Line

Cilantro 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

Ready to Start Planting?

Enter your zip code and pick your plant. We'll tell you exactly when to plant, start seeds, and harvest — based on where you live.

Find Your Planting Dates