Growing Sorghum in Seattle
🇺🇸 Zone 7 Planting Guide · Warm-summer Mediterranean climate
Quick Answer: Growing Sorghum in Seattle
Yes, you can grow Sorghum in Seattle, US! Plant during Mar, Apr, May, Jun for best results. Seattle is in USDA Zone 7 with a Warm-summer Mediterranean climate, offering 250 frost-free days per year. The difficulty level is medium, and Sorghum takes 90-120 days to harvest. Sorghum needs full sun and low watering.
Climate Match Analysis
Seattle's climate requires careful timing. Winter lows (2°C) drop below Sorghum's minimum (12°C), so avoid cold months. Follow the recommended planting months for success.
Seattle Climate Data
Sorghum Planting Calendar for Seattle
Green months show the best time to plant Sorghum in Seattle
Sorghum Growing Requirements
Sunlight
Full Sun
6+ hours direct sunlight
Water
Low
Drought tolerant, water sparingly
Days to Harvest
90-120
From planting to first harvest
Difficulty
Some experience helpful
💡 Growing Tips for Sorghum
More drought-tolerant than corn. Direct sow when soil is warm. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.
Frost tolerance: Sorghum is NOT frost tolerant — wait until after the last frost in Seattle.
How to Grow Sorghum in Seattle
Seattle, US is in USDA Hardiness Zone 7 with a Warm-summer Mediterranean climate (Köppen Csb). With winter lows of 2°C and summer highs of 24°C, the growing season spans approximately 250 frost-free days. Sorghum grows well with some gardening knowledge in this climate.
Sorghum thrives in temperatures between 22°C and 32°C, requiring full sun and low watering. In Seattle, the best months to plant Sorghum are March, April, May, June. Sorghum is not frost tolerant, so it's important to wait until after the last spring frost before transplanting outdoors. Expect to harvest in approximately 90-120 days after planting.
With 953mm of annual rainfall, Seattle provides moderate natural moisture. This should be adequate for Sorghum's water needs.
Other Plants That Grow in Seattle
More plants you can grow alongside Sorghum in Seattle
Keep Exploring
Frequently Asked Questions
Can I grow sorghum in Seattle?
Yes! Sorghum can be successfully grown in Seattle, US. Seattle is in USDA Hardiness Zone 7 with a Warm-summer Mediterranean climate. The difficulty level for growing Sorghum here is rated "medium". The best months to plant are March, April, May, June.
When should I plant sorghum in Seattle?
In Seattle, the recommended planting months for Sorghum are March, April, May, June. Seattle has 250 frost-free days per year, with winter lows of 2°C and summer highs of 24°C. Since Sorghum is not frost tolerant, make sure to plant after the last frost date.
How long does sorghum take to grow in Seattle?
Sorghum typically takes 90-120 days from planting to harvest. In Seattle's Warm-summer Mediterranean climate with 250 frost-free days, you have plenty of time to grow Sorghum to maturity. More drought-tolerant than corn. Direct sow when soil is warm. Wait until soil warms to at least 22°C before transplanting outdoors — cold soil stunts growth and can invite root rot. Overwatering is the most common mistake. Let soil dry out between waterings and ensure drainage is excellent.
Can I grow sorghum indoors in Seattle?
Sorghum can potentially be grown indoors in Seattle with proper conditions. It requires full sun (6+ hours of direct light — a south-facing window or grow lights recommended). Indoor growing extends your season beyond the Mar, Apr, May, Jun outdoor planting window. Use containers with good drainage and low watering.
What month do I plant sorghum in Seattle?
Plant Sorghum in Seattle during March, April, May, June. These are the optimal months based on Seattle's USDA Zone 7 climate, 250 frost-free days, and temperature range of 2°C to 24°C.
Is sorghum hard to grow in Seattle?
Sorghum is rated "medium" to grow in Seattle. Some gardening experience is helpful. Pay attention to watering schedules and planting timing. The climate match for Sorghum in Seattle is Moderate.
What grows well with sorghum in Seattle?
In Seattle, you can grow many companion plants alongside Sorghum. Good options from the same planting window include Tomato, Basil, Lettuce, Carrot and 2 more. These plants share similar planting months and thrive in Seattle's Zone 7 climate.
Does sorghum need full sun in Seattle?
Sorghum requires full sun. In Seattle, provide at least 6 hours of direct sunlight daily. Most garden locations with southern exposure will work well.