What to plant in January in Rhode Island
In Rhode Island (RI), January sits about 14 weeks before the average last frost (April 25). The state averages 173 frost-free days a year (last frost April 25, first frost October 15; USDA zones 6a, 6b, 7a).
1 crop has a sowing or planting window this month.
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.
Rhode Island: planting activity through the year
Start seeds indoors in January (1)
Indoor sowings for transplants later. Six to eight weeks under lights is typical for tomatoes and peppers; onions and leeks need longer.
| Crop | What to do | Window | This month |
|---|---|---|---|
| Celeriac | Start seeds indoors | Jan 31 – Feb 14 | Opens Jan 31 |
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.
A planning month: January garden jobs in Rhode Island
- Order seed while stock is good. Rhode Island's average last frost is April 25, so the first indoor sowings begin around January 31 - see starting seeds indoors.
- Sketch this year's beds and move each crop family to a new spot - the garden planner and the crop rotation guide make it quick.
- Test old seed: roll ten seeds in a damp paper towel for a week. If fewer than seven sprout, sow thicker or buy fresh.
- If the ground isn't frozen, spread compost now so it's worked in by spring, and send off a soil test - January is when labs are quiet.
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.
Questions gardeners ask
What vegetables can I plant in Rhode Island in January?
1 crops have a window in January: celeriac. The tables above give the exact dates for each.
Is it too late to plant tomatoes in Rhode Island in January?
Not too late - it's actually a little early. In Rhode Island the next tomato window opens around February 28: start seeds indoors.
Is it too late to plant lettuce in Rhode Island in January?
Not too late - it's actually a little early. In Rhode Island the next lettuce window opens around March 21: start seeds indoors.
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 should I start indoors in January in Rhode Island?
Celeriac (Jan 31 – Feb 14).
What to plant in January in other 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.