When to Plant Kabocha in Palm Beach County, FL
Kabocha is a Japanese winter squash with an exceptionally sweet, dense, chestnut-like flesh and dark green skin. It is a favorite in Asian cuisine for its rich, dry texture.
Palm Beach County, Florida is in USDA Zone 10a. The average last spring frost is February 17 and the first fall frost is April 15, giving you a growing season of approximately 57 days.
At an elevation of 355 feet, Palm Beach County receives approximately 50 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Kabocha during the growing season. Sandy soil warms quickly in spring — great for early planting — but Kabocha will need more frequent watering and organic matter to retain nutrients.
Palm Beach County Soil Profile
Soil Type
Sand
Soil pH
5.1-5.9
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Kabocha Planting Timeline — Palm Beach County, FL
Kabocha Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 20 | Jan 20 – Feb 3 |
| Transplant Outdoors | February 24 | Feb 24 – Mar 10 |
| Direct Sow | February 17 | Feb 17 – Mar 10 |
| Harvest | May 26 | May 26 – Jun 23 |
Plant 1" deep · 30" apart · Rows 42" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors Transplant Outdoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
85–100 days
Soil pH
6 – 7.5
USDA Zone
Zone 10a
Growing Season
57 days
Growing Tips for Palm Beach County
Direct sow after frost or start indoors. Harvest when the skin is hard and dull. The stem should be dry and corky. Stores well for 3-4 months in a cool, dry place.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Kabocha in Other Locations
Frequently Asked Questions
When should I plant Kabocha in Palm Beach County, FL?
Palm Beach County is in Zone 10a with an average last frost of February 17. Plan your Kabocha planting based on this frost date — see the calendar above for exact timing.
What planting zone is Palm Beach County, FL?
Palm Beach County, Florida is in USDA Hardiness Zone 10a. The average last spring frost is February 17 and first fall frost is .
Plan Your Garden with Confidence
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