Rainline GardenPrineville, OR frost dates and planting calendar
The typical last spring frost in Prineville is June 1, and the first fall frost is around September 22. Plant peas from Apr 20; plant tomatoes from Jun 1.
High desert and mountains. Central and high eastern Oregon. Frost is possible almost any month. Use row covers, wall-o-water or cloches for warm crops, and choose short-season varieties.
Frost dates are 1991–2020 NOAA climate normals for Prineville (877 m elevation). Gardens in cold hollows or at higher elevation can frost later in spring and earlier in fall.
What to plant now
Turn on JavaScript to see what's in season today. The full calendar is below.
New to gardening? Start with these 5 easy crops
They're forgiving, quick and hard to kill in Prineville. Tap one for planting dates and step-by-step instructions, or read the beginner's guide.
RadishesReady in about four weeks, so you see results fast.
LettuceGrows in cool weather and a bit of shade, and you can pick it for weeks.
Bush beansBig seeds that are easy to plant, and one sowing feeds you all summer.
Zucchini and summer squashTwo plants are plenty. It almost always produces.
KaleShrugs off Northwest cold and keeps going into winter.
Make a garden plan for Prineville Pick your plants and get a dated, printable to-do list.
Planting calendar
- Start seeds indoors
- Plant in the garden
- Plant again for fall
- Frost possible
- Frost likely
How to read this: each bar shows when to do that job. Dashed bars are for starting seeds indoors in trays; solid bars are for planting in the garden.
Planting dates for Prineville
| Crop | Start seeds indoors | Plant in the garden | Plant again for fall |
|---|---|---|---|
 PeasPlant seeds in the ground | — | Apr 20 – Jun 1 | — |
RadishesPlant seeds in the ground | — | Apr 20 – Jun 15 | Aug 11–25 |
 SpinachPlant seeds in the ground | — | Apr 20 – May 25 | Jul 28 – Aug 18 |
LettucePlant seeds or young plants | Mar 9–23 | Apr 20 – Jun 15 | Jul 28 – Aug 11 |
 OnionsPlant small onion bulbs (sets) | — | Apr 20 – May 25 | — |
 CarrotsPlant seeds in the ground | — | May 4 – Jun 29 | — |
 BeetsPlant seeds in the ground | — | May 4 – Jun 29 | Jul 14–28 |
KalePlant young plants (starts) | Mar 23 – Apr 6 | May 4 – Jun 15 | Jul 14–28 |
 BroccoliPlant young plants (starts) | Mar 16–30 | May 4 – Jun 8 | Jun 30 – Jul 14 |
 CabbagePlant young plants (starts) | Mar 16–30 | May 4 – Jun 8 | Jun 30 – Jul 14 |
 Swiss chardPlant seeds in the ground | — | May 4 – Jun 29 | Jul 14–28 |
 PotatoesPlant seed potatoes | — | May 4 – Jun 15 | — |
Bush beansPlant seeds in the ground | — | Jun 8 – Jul 20 Keep frost cover handy at first | — |
 Sweet cornPlant seeds in the ground | — | Jun 8 – Jul 13 Keep frost cover handy at first | — |
 CucumbersPlant seeds or young plants | May 4–11 | Jun 1–29 Keep frost cover handy at first | — |
Zucchini and summer squashPlant seeds or young plants | May 4–11 | Jun 1–29 Keep frost cover handy at first | — |
 Winter squash and pumpkinsPlant seeds or young plants | May 4–11 | Jun 1–22 Tight season: choose an early variety Keep frost cover handy at first | — |
 TomatoesPlant young plants (starts) | Apr 6–20 | Jun 1–29 Keep frost cover handy at first | — |
 PeppersPlant young plants (starts) | Mar 23 – Apr 6 | Jun 1–22 Keep frost cover handy at first | — |
 BasilPlant young plants (starts) | Apr 20 – May 4 | Jun 1–29 Keep frost cover handy at first | — |
 DahliasPlant tubers | — | Jun 1–29 Keep frost cover handy at first | — |
 CilantroPlant seeds in the ground | — | Apr 20 – Jun 8 | Aug 4–18 |
 ParsleyPlant seeds or young plants | Mar 9–23 | May 4 – Jun 22 | — |
 DillPlant seeds in the ground | — | May 4 – Jul 6 | — |
 StrawberriesPlant young plants | — | May 4 – Jun 15 | — |
 BlueberriesPlant potted or bare-root bushes | — | May 4 – Jun 22 | — |
 RaspberriesPlant bare-root canes | — | May 4 – Jun 15 | — |
 GarlicPlant cloves | — | — | Oct 15 – Nov 15 |
 CauliflowerPlant young plants (starts) | Mar 16–30 | May 4 – Jun 1 | Jun 23 – Jul 7 |
 Brussels sproutsPlant young plants (starts) | Mar 9–23 | May 4 – Jun 15 | — |
 LeeksPlant young plants (starts) | Feb 23 – Mar 9 | May 4 – Jun 15 | — |
 ArugulaPlant seeds in the ground | — | Apr 20 – Jun 1 | Aug 4–25 |
 Bok choyPlant seeds or young plants | Mar 16–30 | Apr 20 – May 25 | Jul 28 – Aug 11 |
 TurnipsPlant seeds in the ground | — | Apr 20 – Jun 1 | Jul 21 – Aug 4 |
 KohlrabiPlant seeds or young plants | Mar 23 – Apr 6 | May 4 – Jun 15 | Jul 21 – Aug 4 |
 EggplantPlant young plants (starts) | Mar 23 – Apr 6 | Jun 1–22 Keep frost cover handy at first | — |
 MelonsPlant seeds or young plants | May 4–11 | Jun 1–22 Keep frost cover handy at first | — |
 Pole beansPlant seeds in the ground | — | Jun 8 – Jul 13 Keep frost cover handy at first | — |
 Fava beansPlant seeds in the ground | — | Apr 20 – May 25 | — |
 ShallotsPlant bulbs | — | — | Oct 15 – Nov 15 |
 AsparagusPlant dormant crowns | — | May 4 – Jun 15 | — |
 RhubarbPlant dormant crowns | — | Apr 20 – Jun 1 | — |
 ChivesPlant seeds or young plants | Mar 9–23 | May 4 – Jun 29 | — |
 MintPlant young plants | — | May 4 – Jun 29 | — |
 RosemaryPlant young plants | — | May 4 – Jun 22 | — |
 ThymePlant young plants | — | May 4 – Jun 29 | — |
 OreganoPlant young plants | — | May 4 – Jun 29 | — |
 SunflowersPlant seeds in the ground | — | Jun 8 – Jul 20 Keep frost cover handy at first | — |
 Sweet peasPlant seeds in the ground | — | Apr 20 – May 25 | — |
 TulipsPlant bulbs | — | — | Oct 15 – Nov 15 |
 DaffodilsPlant bulbs | — | — | Oct 15 – Nov 15 |
Dates are a guide, not a guarantee. Check the soil before planting: cool-season crops need it workable and not soggy; warm-season crops need it warm. A $10 soil thermometer pays for itself. Unfamiliar terms are explained in the glossary.
Nearby areas with similar weather
All Oregon and Washington cities or use the planner with your ZIP.