What to plant in June in Rhode Island

In Rhode Island (RI), June is the heart of the growing season - about 7 weeks after the last frost (April 25) and 17 weeks before the first (October 15). The state averages 173 frost-free days a year (last frost April 25, first frost October 15; USDA zones 6a, 6b, 7a).

11 crops have a sowing or planting window this month, including brussels sprouts, rutabaga.

Dates here come from Rhode Island frost dates (last frost Apr 25, first frost Oct 15). For one crop in detail, see when to plant tomato, lettuce or garlic in Rhode Island.

Peak growing seasonSow or plant: 11Start indoors: 0Harvesting: 35

Rhode Island: planting activity through the year

JanFebMarAprMayJunJulAugSepOctNovDec

Frost riskFrost-free: Apr 25 – Oct 15

Bars count the vegetables, herbs and fruit with a sowing or planting window in each month, from the state’s average frost dates. 11 have one in June; the busiest month is April (78).

For fall and winter harvests (2)

Sowings counted back from Rhode Island's first fall frost, so the crop matures before the cold - or, for garlic and similar, planted after it.

Crop	What to do	Window	This month
Brussels Sprouts	Start transplants for fall	Jun 15 – Jul 2	Opens Jun 15
Rutabaga	Sow for a fall crop	Jun 29 – Jul 16	Opens Jun 29

Keep sowing (succession)

Repeat sowings of crops already in the ground, for a steady harvest instead of a glut.

Cucumber: sow again on Jun 20
Zucchini / Summer Squash: sow again on Jun 27
Bush Bean: sow again on Jun 13 and Jun 27
Sweet Corn: sow again on Jun 13 and Jun 27
Basil: sow again on Jun 20
Edamame (Soybean): sow again on Jun 13 and Jun 27
Southern Pea (Cowpea): sow again on Jun 6 and Jun 20
Sunflower: sow again on Jun 13 and Jun 27
Amaranth (Leaf): sow again on Jun 13 and Jun 27

Harvesting in June

First harvests expected this month from crops sown or planted on time earlier in the season.

Lettuce · May 11 – Jun 10 Turnip · May 14 – Jun 3 Rapini (Broccoli Raab) · May 14 – Jun 3 Chervil · May 14 – Jun 3 Beet · May 17 – Jun 6 Kohlrabi · May 19 – Jun 3 Kale · May 24 – Jun 8 Cilantro / Coriander · May 26 – Jun 20 Green Onion / Scallion · May 27 – Jun 16 Collard Greens · May 29 – Jun 18 Swiss Chard · May 31 – Jun 10 Napa Cabbage · May 31 – Jun 25 Watercress · May 31 – Jun 10 Amaranth (Leaf) · Jun 1 – Jun 21 Cabbage · Jun 3 – Jul 13 Carrot · Jun 3 – Jun 23 Dill · Jun 4 – Jun 24 Borage · Jun 5 – Jun 25 Basil · Jun 8 – Jul 8 Broccoli · Jun 10 – Jul 5 Cauliflower · Jun 10 – Jul 10 Radicchio · Jun 10 – Jul 20 Fava Bean (Broad Bean) · Jun 11 – Jun 26 Zucchini / Summer Squash · Jun 16 – Jul 1 Tarragon · Jun 17 – Jul 17 Potato · Jun 20 – Aug 9 Parsley · Jun 20 – Jul 10 Bush Bean · Jun 21 – Jul 1 New Zealand Spinach · Jun 21 – Jul 11 Fennel (Bulb) · Jun 22 – Jul 17 Summer Savory · Jun 26 – Jul 11 Mint · Jun 27 – Jul 17 Lemon Balm · Jun 27 – Jul 17 Cucumber · Jun 28 – Jul 18 Okra · Jun 28 – Jul 13

Planting dates for popular crops in Rhode Island

Every crop has its own full-year dates for Rhode Island: indoor start, transplant or direct sowing, and harvest.

When to plant tomato in Rhode Island →When to plant lettuce in Rhode Island →When to plant garlic in Rhode Island →When to plant bell pepper in Rhode Island →When to plant carrot in Rhode Island →When to plant onion in Rhode Island →When to plant pea in Rhode Island →When to plant spinach in Rhode Island →Rhode Island frost dates by zone →

Peak growing season: June garden jobs in Rhode Island

Water deeply two or three times a week rather than a little every day - about an inch a week, more in heat. See watering a vegetable garden.
17 weeks until the average first frost (October 15). Fall crops start now: brussels sprouts, rutabaga. See the fall and winter garden guide.
Check the undersides of leaves twice a week - catching pests early is most of the battle (pest identification guide).
Harvest often: lettuce, turnip, rapini (broccoli raab), chervil should be coming in. Picking regularly keeps beans, squash and cucumbers producing.

USDA zone chart for Rhode Island

Rhode Island spans USDA zones 6a, 6b, 7a. Colder zones, usually higher or further inland, have a later last spring frost and an earlier first fall frost than the state average.

Zone	Last frost	First frost	Season
Zone 6	Apr 15	Oct 15	185 days
Zone 7	Apr 5	Oct 25	200 days

Questions gardeners ask

What vegetables can I plant in Rhode Island in June?

11 crops have a window in June: brussels sprouts, rutabaga and more. The tables above give the exact dates for each.

Is it too late to plant tomatoes in Rhode Island in June?

For this year, yes - the tomato windows in Rhode Island have closed. The next step is to start seeds indoors from about February 28.

Is it too late to plant lettuce in Rhode Island in June?

Not too late - it's actually a little early. In Rhode Island the next lettuce window opens around August 10: sow for a fall crop.

When is the first frost in Rhode Island?

The statewide average first fall frost is around October 15 and the last spring frost around April 25. Your town can be a week or two either side - look yours up by ZIP code.

What can I harvest in Rhode Island in June?

From plantings made on time: lettuce, turnip, rapini (broccoli raab), chervil, beet, kohlrabi, kale, cilantro / coriander, green onion / scallion, collard greens.

← May in Rhode Island July in Rhode Island →Full-year Rhode Island planting calendar →Rhode Island frost dates →

What to plant in June in other states

Connecticut Maine Massachusetts New Hampshire New York Vermont Alabama Alaska All states →

Dates are computed from Rhode Island’s statewide average frost dates (from NOAA/NCEI climate normals) and each crop’s timing in our crop database. Your garden may be a week or two either side - for dates tuned to your ZIP code, use the planting calendar.