When to Plant Raspberry in Idaho
Direct Sow Outdoors
Wednesday, March 18, 2026
State
Idaho
USDA Zones
4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b
Avg Last Frost
Wednesday, April 15, 2026
Cities Covered
264
Idaho Planting Schedule by Zone
Idaho spans 8 zones — find yours below for the most accurate dates.
| Zone | Last Frost | Direct Sow |
|---|---|---|
| 4a | Friday, May 15, 2026 | Friday, April 17, 2026 |
| 4b | Tuesday, May 5, 2026 | Tuesday, April 7, 2026 |
| 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| 7b | Sunday, April 5, 2026 | Sunday, March 8, 2026 |
Dates based on average last frost. Check your local forecast before planting.
🌿 About Raspberry
Growing Raspberry in Idaho: Complete Guide
Raspberry (Rubus idaeus) is a crop that grows best when sown directly in the garden. In Idaho, the right time to direct sow is around Wednesday, March 18, 2026, once soil temperatures are consistently warm enough for germination.
Because Idaho stretches across 8 USDA hardiness zones (4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b), planting windows can shift by as much as six to eight weeks from one end of the state to the other. Gardeners in the warmer southern zones can start earlier, while those in cooler northern zones should wait until the zone table above shows their last frost has passed.
With 365 days to maturity, Raspberry fits comfortably within Idaho's growing season in most zones. In the warmest parts of the state, a second planting later in the season may be possible.
Raspberry requires full sun and regular moisture. Mountain-state gardens contend with short seasons and intense UV at elevation — cold nights can persist well into June at higher altitudes.
For the most precise planting dates tailored to your exact location, enter your ZIP code on our planting calendar or use the zone table above to find the schedule for your area of Idaho.
Frequently Asked Questions
When should I plant Raspberry in Idaho?
In Idaho, direct sow Raspberry outdoors around Wednesday, March 18, 2026. Idaho spans zones 4a–7b, so gardeners in warmer zones can plant earlier.
What is the last frost date in Idaho?
Idaho spans 8 USDA zones (4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b), so last frost dates vary by region. Island Park, Macks Inn (4a) sees frost until around Friday, May 15, 2026, while Lewiston, Juliaetta, Lapwai (7b) is frost-free much earlier.
How long does Raspberry take to grow in Idaho?
Raspberry takes about 365 days from transplant (or direct sow) to harvest. In Idaho's longer-season zones, a second planting in late summer may be possible.
What USDA zones does Idaho cover for Raspberry?
Idaho includes zones 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b. Raspberry grows well across all of these zones with adjusted timing — use the zone table above to find the right dates for your part of the state.
When to Plant Raspberry by City in Idaho
Dates are based on each city's USDA zone and average last frost.
| City | Zone | Last Frost | Direct Sow |
|---|---|---|---|
| Aberdeen | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Ahsahka | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Albion | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Almo | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| American Falls | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Arbon | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Arco | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Arimo | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Ashton | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Athol | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Atomic City | 4b | Tuesday, May 5, 2026 | Tuesday, April 7, 2026 |
| Avery | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Bancroft | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Banks | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Basalt | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Bayview | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Bellevue | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Bern | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Blackfoot | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Blanchard | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Bliss | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Bloomington | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Boise | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Bonners Ferry | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Bovill | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Bruneau | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Buhl | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Burley | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Calder | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Caldwell | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Cambridge | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Carey | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Careywood | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Carmen | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Cascade | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Castleford | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Cataldo | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Challis | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Chester | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Clark Fork | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Clarkia | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Clayton | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Clifton | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Cobalt | 5b | Saturday, April 25, 2026 | Saturday, March 28, 2026 |
| Cocolalla | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Coeur D Alene | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Colburn | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Conda | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Coolin | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Corral | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
| Cottonwood | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Council | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Craigmont | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Culdesac | 7a | Friday, April 10, 2026 | Friday, March 13, 2026 |
| Dayton | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Deary | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Declo | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Desmet | 6b | Wednesday, April 15, 2026 | Wednesday, March 18, 2026 |
| Dietrich | 6a | Monday, April 20, 2026 | Monday, March 23, 2026 |
| Dingle | 5a | Sunday, May 10, 2026 | Sunday, April 12, 2026 |
Showing 60 of 264 cities. Enter your ZIP on the planting calendar for your exact dates.