LawnWeather

Spokane, WA Planting Calendar

The last spring frost in Spokane usually comes around Apr 23 and the first fall frost around Oct 14, a growing season of about 174 days. Start tomatoes indoors Mar 12 – Mar 26 and plant them outside May 7 – May 21.

Last spring frostApr 23
First fall frostOct 14
Growing season174 days

When to plant vegetables in Spokane

VegetableStart seeds indoorsPlant outsideFall crop
TomatoesMar 12 – Mar 26May 7 – May 21—
PeppersMar 5 – Mar 19May 14 – May 28—
EggplantMar 5 – Mar 19May 14 – May 28—
Cucumbers—May 7 – May 21—
Zucchini & summer squash—May 7 – May 21—
Pumpkins & winter squash—May 14 – May 28—
Green beans—May 7 – May 21Jul 22 – Aug 5
Sweet corn—May 7 – May 21—
BasilMar 26 – Apr 9May 7 – May 21—
LettuceFeb 26 – Mar 12Mar 26 – May 7Aug 19 – Sep 2
Spinach—Mar 12 – Apr 2Aug 19 – Sep 2
Peas—Mar 12 – Apr 2Aug 5 – Aug 19
Carrots—Mar 26 – Apr 30Jul 22 – Aug 5
Radishes—Mar 19 – May 7Sep 2 – Sep 16
BroccoliFeb 12 – Feb 26Mar 26 – Apr 9Jul 22 – Aug 5
KaleFeb 26 – Mar 12Mar 19 – Apr 2Aug 5 – Aug 19
Onions—Mar 26 – Apr 9—
Potatoes—Apr 2 – Apr 30—
Garlic——Sep 30 – Nov 4

Dates count from the median frost dates (2016–2025) for Spokane. In a cold spring, wait a week; in a warm one you can go a week early.

Month-by-month planting in Spokane

  1. JanuaryPlan, order seeds and prepare beds.
  2. FebruaryStart indoors: Lettuce, Broccoli, Kale
  3. MarchStart indoors: Tomatoes, Peppers, Eggplant, Basil, Lettuce, KalePlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions
  4. AprilStart indoors: BasilPlant outside: Lettuce, Spinach, Peas, Carrots, Radishes, Broccoli, Kale, Onions, Potatoes
  5. MayPlant outside: Tomatoes, Peppers, Eggplant, Cucumbers, Zucchini & summer squash, Pumpkins & winter squash, Green beans, Sweet corn, Basil, Lettuce, Radishes
  6. JunePlan, order seeds and prepare beds.
  7. JulyPlant outside: Green beans, Carrots, Broccoli
  8. AugustPlant outside: Green beans, Lettuce, Spinach, Peas, Carrots, Broccoli, Kale
  9. SeptemberPlant outside: Lettuce, Spinach, Radishes, Garlic
  10. OctoberPlant outside: Garlic
  11. NovemberPlant outside: Garlic
  12. DecemberPlan, order seeds and prepare beds.

Tools for this season

Seed starting kitTrays with humidity domes for starting seeds indoors.See options on AmazonLED grow lightKeeps indoor seedlings short and sturdy.See options on AmazonFrost clothCovers tender plants on a surprise frost night.See options on AmazonSoil thermometerCheck the soil at 4 inches before you spread anything.See options on Amazon

We may earn a commission when you buy through these links, at no extra cost to you. How this works

Frequently asked questions

When is the last frost in Spokane?

The median last spring frost is Apr 23 and the median first fall frost is Oct 14, based on 2016–2025 weather data.

When should I plant tomatoes in Spokane?

Start seeds indoors Mar 12 – Mar 26 and set plants outside May 7 – May 21, once nights stay above 50°F.

When should I plant a fall garden in Spokane?

Sow or transplant cool-season crops 6 to 12 weeks before the first fall frost (around Oct 14): broccoli and carrots first, lettuce, spinach and radishes last.

More from Spokane