When to Plant Sweet Potatoes in Rhode Island
In a typical Rhode Island location, plant outdoors Apr 25 – May 9. Across the state, the outdoor planting window starts as early as Apr 21 in Newport and as late as May 15 in Narragansett.
Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Sweet Potatoes Planting Dates by City
| City | Plant outdoors |
|---|---|
| Providence | Apr 25 – May 9 |
| Warwick | Apr 25 – May 9 |
| Cranston | Apr 25 – May 9 |
| Pawtucket | May 6 – May 20 |
| East Providence | Apr 25 – May 9 |
| Woonsocket | May 6 – May 20 |
| Coventry | May 6 – May 20 |
| Cumberland | May 6 – May 20 |
| North Providence | Apr 25 – May 9 |
| South Kingstown | May 15 – May 29 |
| West Warwick | May 6 – May 20 |
| Johnston | Apr 25 – May 9 |
| North Kingstown | May 11 – May 25 |
| Newport | Apr 21 – May 5 |
| Bristol | Apr 25 – May 9 |
| Smithfield | May 6 – May 20 |
| Lincoln | May 6 – May 20 |
| Central Falls | May 6 – May 20 |
| Westerly | Apr 25 – May 9 |
| Portsmouth | Apr 25 – May 9 |
| Middletown | Apr 25 – May 9 |
| Barrington | Apr 25 – May 9 |
| Narragansett | May 15 – May 29 |
| East Greenwich | Apr 25 – May 9 |
| Newport East | Apr 25 – May 9 |
| Valley Falls | May 6 – May 20 |
| Warren | Apr 25 – May 9 |
| North Smithfield | May 6 – May 20 |
| North Scituate | May 9 – May 23 |
Showing the 29 most populous of 29 Rhode Island cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Rhode Island cities.
Frequently Asked Questions
When should I plant sweet potatoes in Rhode Island?
In a typical Rhode Island location, plant outdoors Apr 25 – May 9. Across the state, the outdoor planting window starts as early as Apr 21 in Newport and as late as May 15 in Narragansett.
When is the last frost in Rhode Island?
The average last spring frost in Rhode Island ranges from April 7 in Newport to May 1 in Narragansett, based on NOAA 1991–2020 climate normals.
How long do sweet potatoes take to grow?
Sweet Potatoes typically take 90–120 days from planting to harvest. Set out slips 2-4 weeks after last frost once soil is thoroughly warm (65F+); very frost/cold sensitive.
Other Crops in Rhode Island
- Tomatoes
- Peppers
- Eggplant
- Cucumbers
- Zucchini
- Winter Squash
- Pumpkins
- Watermelon
- Cantaloupe
- Corn
- Green Beans
- Peas
- Lettuce
- Spinach
- Kale
- Arugula
- Swiss Chard
- Broccoli
- Cauliflower
- Cabbage
- Brussels Sprouts
- Carrots
- Beets
- Radishes
- Turnips
- Onions
- Garlic
- Potatoes
- Asparagus
- Basil
- Cilantro
- Parsley
- Dill
- Oregano
- Thyme
- Sunflowers
- Zinnias
- Marigolds
- Cosmos
- Nasturtiums
- Dahlias
When to plant sweet potatoes in other states