Spokane planting schedule

The following planting schedule is designed for people that live in Spokane. Spokane falls under the 6b hardiness zone. It means the average minimum temperature is between -5 to 0 °F (-20.6 to -17.8 °C). These values should be taken into account when planting, because most plants cannot withstand frost, so when colder air arrives, the plants should be placed in a frost-free area. This planting schedule is specifically for this zipcode: 99208

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Why do you need a planting calendar?

The planting calendar is useful for every gardener.

  • Ensures your plants grow during the best temperature and light conditions, leading to healthier plants.
  • Provides a continuous supply of fresh produce throughout the growing season, reducing the need to buy from stores.
  • Saves water and fertilizer by using them when plants need them most, reducing waste and cost.
  • Spreads gardening tasks over the season, making gardening more manageable and enjoyable

What do the dates mean?

In the table below, you can see 4 dates.

Sowing seeds indoor: Sowing seeds indoors is a crucial step in gardening, allowing gardeners to extend the growing season and ensure healthy plant development. The ideal indoor sowing date varies by plant type and local climate but generally occurs 6-8 weeks before the last expected frost date. This early start provides young plants with a controlled environment, promoting strong root systems and robust growth before transplanting outdoors. Indoor sowing helps avoid the harsh conditions of early spring, reducing the risk of frost damage and giving plants a head start. Proper timing and care during this stage are essential for a successful gardening season.

Transplanting to outdoor: Transplanting plants outdoors is typically done after the last frost date when the soil has warmed. This timing ensures that young plants can thrive without the risk of frost damage. Transplanting usually occurs 1-2 weeks after sowing seeds indoors, allowing plants to establish strong roots. Gradually acclimate seedlings to outdoor conditions through a process called hardening off, ensuring a smooth transition and promoting healthy growth.

Harvesting: Harvesting usually occurs three months after sowing seeds, depending on the specific plant’s maturity period. This timing ensures the produce reaches peak ripeness and nutritional value. Monitoring the growth and health of plants is essential to determine the precise harvesting time. Properly timed harvesting maximizes yield and flavor, providing fresh, home-grown produce at its best.

Last Month to plant: The last month a vegetable can be planted is determined by counting back from the first expected frost date, ensuring the plant has enough time to mature before cold weather arrives. Planting too late can result in stunted growth or failure to produce a harvest. Always check the specific requirements for each vegetable and your local frost dates to optimize planting times and achieve a successful yield.

Our planting calendar recommends planting your vegetables and herbs in the given months in Spokane.

Vegetables

Plant Sow seeds indoor Transplanting to outdoor Harvesting Month Last date
Cucumber N/A N/A N/A N/A
Brussels Sprouts May 7 May 14 August 2 July 19
Tomato June 7 June 12 August 6 July 21
Spinach March 27 April 6 May 11 September 29
Beets May 13th May 23rd July 12th August 27th
Zucchini May 26 June 2 July 12 July 3
Cabbages N/A N/A N/A N/A
Potato May 13 May 23 July 22 August 17
Radish April 25 April 30 May 28 September 18
Broccoli April 20 April 30 June 24 August 28
Carrot April 5 April 19 July 12 August 21
Cauliflower April 16 April 23 June 12 September 2
Onion March 11 March 20 July 18 July 25

Herbs

Plant Sow seeds indoor Transplanting to outdoor Harvesting Month Last date
Marjoram May 25 June 1 July 6 August 20
Parsley March 28 April 17 June 6 September 26
Dill June 22 July 2 July 30 July 15
Fennel March 11 March 25 June 9 September 16
Sage May 22 June 1 July 31 July 26
Thyme All year All year All year All year
Oregano April 23 April 30 June 14 September 1
Mustard April 23 April 30 May 30 September 16
Mint June 8 June 18 August 17 July 10
Lavender April 16 April 30 June 9 September 6
Rosemary March 22 April 6 June 25 August 15
Ginger N/A N/A N/A N/A
Basil May 23 June 2 July 22 August 1
Cilantro April 23 April 30 August 21 July 9

When can you grow Marjoram in Spokane?

You can start sowing your seeds on May 25, because during this period, night temperatures are already stable above 50 °F (10 °C) in Spokane. This is the minimum temperature Marjoram can tolerate. Then, wait for days for germination. After that, you can transplant your Marjoram to outdoor on June 1. It takes 35 days to grow you plant, so you can harvest it on July 6. You need to wait for May 25 to start sowing seeds.

When can you grow Cucumber in Spokane?

Due to the fact, that the temperature is not stable above 61 °F (16 °C) at any time of the year, Cucumber cannot be planted outdoors. In order to grow this plant indoors, it is necessary to create artificial conditions. These specific conditions are difficult to create, so we don't recommend planting Cucumber in your city.

When can you grow Brussels Sprouts in Spokane?

You can start sowing your seeds on May 7, because during this period, night temperatures are already stable above 45 °F (7 °C) in Spokane. This is the minimum temperature Brussels Sprouts can tolerate. Then, wait for days for germination. After that, you can transplant your Brussels Sprouts to outdoor on May 14. It takes days to grow you plant, so you can harvest it on August 2. You can plant your Brussels Sprouts until July 19.

When can you grow Tomato in Spokane?

You can start sowing your seeds on June 7, because during this period, night temperatures are already stable above 54 °F (12 °C) in Spokane. This is the minimum temperature Tomato can tolerate. Then, wait for days for germination. After that, you can transplant your Tomato to outdoor on June 12. It takes 54 days to grow you plant, so you can harvest it on August 6. You can plant your Tomato until July 21.

When can you grow Parsley in Spokane?

You can start sowing your seeds on March 28, because during this period, night temperatures are already stable above 32 °F (0 °C) in Spokane. This is the minimum temperature Parsley can tolerate. Then, wait for 20 days for germination. After that, you can transplant your Parsley to outdoor on April 17. It takes 50 days to grow you plant, so you can harvest it on June 6. You can plant your Parsley until September 26.

When can you grow Dill in Spokane?

You can start sowing your seeds on June 22, because during this period, night temperatures are already stable above 59 °F (15 °C) in Spokane. This is the minimum temperature Dill can tolerate. Then, wait for days for germination. After that, you can transplant your Dill to outdoor on July 2. It takes days to grow you plant, so you can harvest it on July 30. You can plant your Dill until July 15.

When can you grow Spinach in Spokane?

You can start sowing your seeds on March 27, because during this period, night temperatures are already stable above 36 °F (2 °C) in Spokane. This is the minimum temperature Spinach can tolerate. Then, wait for 5 days for germination. After that, you can transplant your Spinach to outdoor on April 6. It takes 40 days to grow you plant, so you can harvest it on May 11. You can plant your Spinach until September 29.

When can you grow Fennel in Spokane?

You can start sowing your seeds on March 11, because during this period, night temperatures are already stable above 32 °F (0 °C) in Spokane. This is the minimum temperature Fennel can tolerate. Then, wait for 14 days for germination. After that, you can transplant your Fennel to outdoor on March 25. It takes 76 days to grow you plant, so you can harvest it on June 9. You can plant your Fennel until September 16.

When can you grow Sage in Spokane?

You can start sowing your seeds on May 22, because during this period, night temperatures are already stable above 50 °F (10 °C) in Spokane. This is the minimum temperature Sage can tolerate. Then, wait for days for germination. After that, you can transplant your Sage to outdoor on June 1. It takes 60 days to grow you plant, so you can harvest it on July 31. You can plant your Sage until July 26.

When can you grow Beets in Spokane?

You can start sowing your seeds on May 13th, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Beets can tolerate. Then, wait for days for germination. After that, you can transplant your Beets to outdoor on May 23rd. It takes days to grow you plant, so you can harvest it on July 12th. You need to wait for May 13th to start sowing seeds.

When can you grow Thyme in Spokane?

You can plant Thyme in your city all year! Just remember that the plant takes 20 days to germinate from seeds and 60 days to grow after transplanting. In addition, you can start sowing your seeds outdoor for the best outcome. There is no need to create artifical environment, thus start planting outdoor.

When can you grow Oregano in Spokane?

You can start sowing your seeds on April 23, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Oregano can tolerate. Then, wait for days for germination. After that, you can transplant your Oregano to outdoor on April 30. It takes 45 days to grow you plant, so you can harvest it on June 14. You can plant your Oregano until September 01.

When can you grow Mustard in Spokane?

You can start sowing your seeds on April 23, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Mustard can tolerate. Then, wait for days for germination. After that, you can transplant your Mustard to outdoor on April 30. It takes days to grow you plant, so you can harvest it on May 30. You can plant your Mustard until September 16.

When can you grow Mint in Spokane?

You can start sowing your seeds on June 8, because during this period, night temperatures are already stable above 56 °F (13 °C) in Spokane. This is the minimum temperature Mint can tolerate. Then, wait for days for germination. After that, you can transplant your Mint to outdoor on June 18. It takes 60 days to grow you plant, so you can harvest it on August 17. You can plant your Mint until July 10.

When can you grow Lavender in Spokane?

You can start sowing your seeds on April 16, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Lavender can tolerate. Then, wait for days for germination. After that, you can transplant your Lavender to outdoor on April 30. It takes days to grow you plant, so you can harvest it on June 9. You can plant your Lavender until September 06.

When can you grow Rosemary in Spokane?

You can start sowing your seeds on March 22, because during this period, night temperatures are already stable above 36 °F (2 °C) in Spokane. This is the minimum temperature Rosemary can tolerate. Then, wait for days for germination. After that, you can transplant your Rosemary to outdoor on April 6. It takes days to grow you plant, so you can harvest it on June 25. You need to wait for March 22 to start sowing seeds.

When can you grow Zucchini in Spokane?

You can start sowing your seeds on May 26, because during this period, night temperatures are already stable above 59 °F (15 °C) in Spokane. This is the minimum temperature Zucchini can tolerate. Then, wait for days for germination. After that, you can transplant your Zucchini to outdoor on June 2. It takes 40 days to grow you plant, so you can harvest it on July 12. You need to wait for May 26 to start sowing seeds.

When can you grow Cabbages in Spokane?

Due to the fact, that the temperature is not stable above 61 °F (16 °C) at any time of the year, Cabbages cannot be planted outdoors. In order to grow this plant indoors, it is necessary to create artificial conditions. These specific conditions are difficult to create, so we don't recommend planting Cabbages in your city.

When can you grow Potato in Spokane?

You can start sowing your seeds on May 13, because during this period, night temperatures are already stable above 41 °F (4.5 °C) in Spokane. This is the minimum temperature Potato can tolerate. Then, wait for days for germination. After that, you can transplant your Potato to outdoor on May 23. It takes days to grow you plant, so you can harvest it on July 22. You need to wait for May 13 to start sowing seeds.

When can you grow Radish in Spokane?

You can start sowing your seeds on April 25, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Radish can tolerate. Then, wait for days for germination. After that, you can transplant your Radish to outdoor on April 30. It takes 28 days to grow you plant, so you can harvest it on May 28. You can plant your Radish until September 18.

When can you grow Broccoli in Spokane?

You can start sowing your seeds on April 20, because during this period, night temperatures are already stable above 40 °F (4 °C) in Spokane. This is the minimum temperature Broccoli can tolerate. Then, wait for days for germination. After that, you can transplant your Broccoli to outdoor on April 30. It takes days to grow you plant, so you can harvest it on June 24. You need to wait for April 20 to start sowing seeds.

When can you grow Carrot in Spokane?

You can start sowing your seeds on April 5, because during this period, night temperatures are already stable above 32 °F (0 °C) in Spokane. This is the minimum temperature Carrot can tolerate. Then, wait for 14 days for germination. After that, you can transplant your Carrot to outdoor on April 19. It takes 84 days to grow you plant, so you can harvest it on July 12. You need to wait for April 5 to start sowing seeds.

When can you grow Cauliflower in Spokane?

You can start sowing your seeds on April 16, because during this period, night temperatures are already stable above 40 °F (4 °C) in Spokane. This is the minimum temperature Cauliflower can tolerate. Then, wait for days for germination. After that, you can transplant your Cauliflower to outdoor on April 23. It takes days to grow you plant, so you can harvest it on June 12. You can plant your Cauliflower until September 02.

When can you grow Onion in Spokane?

You can start sowing your seeds on March 11, because during this period, night temperatures are already stable above 20 °F (-7 °C) in Spokane. This is the minimum temperature Onion can tolerate. Then, wait for 9 days for germination. After that, you can transplant your Onion to outdoor on March 20. It takes 120 days to grow you plant, so you can harvest it on July 18. You can plant your Onion until July 25.

When can you grow Ginger in Spokane?

Due to the fact, that the temperature is not stable above 50 °F (10 °C) at any time of the year, Ginger cannot be planted outdoors. In order to grow this plant indoors, it is necessary to create artificial conditions. These specific conditions are difficult to create, so we don't recommend planting Ginger in your city.

When can you grow Basil in Spokane?

You can start sowing your seeds on May 23, because during this period, night temperatures are already stable above 59 °F (15 °C) in Spokane. This is the minimum temperature Basil can tolerate. Then, wait for 10 days for germination. After that, you can transplant your Basil to outdoor on June 2. It takes 50 days to grow you plant, so you can harvest it on July 22. You need to wait for May 23 to start sowing seeds.

When can you grow Cilantro in Spokane?

You can start sowing your seeds on April 23, because during this period, night temperatures are already stable above 41 °F (5 °C) in Spokane. This is the minimum temperature Cilantro can tolerate. Then, wait for 7 days for germination. After that, you can transplant your Cilantro to outdoor on April 30. It takes 113 days to grow you plant, so you can harvest it on August 21. You can plant your Cilantro until July 09.