When to Plant Blackberries in Calhoun County, TX
Blackberries are vigorous bramble fruits that produce sweet-tart berries on thorny or thornless canes. They are prolific producers and relatively low-maintenance once established.
Calhoun County, Texas is in USDA Zone 9a. The average last spring frost is February 16 and the first fall frost is December 7, giving you a growing season of approximately 294 days.
At an elevation of 215 feet, Calhoun County receives approximately 59.5 inches of rainfall annually with predominantly loam soil. Summer highs average 99°F, so Blackberries may need afternoon shade and extra watering during peak heat. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Blackberries root diseases.
Calhoun County Soil Profile
Soil Type
Loam
Soil pH
6.2-7.8
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
Blackberries Planting Timeline — Calhoun County, TX
Blackberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 2 | Mar 2 – Mar 16 |
· 24" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
365–730 days
Soil pH
5.5 – 7
USDA Zone
Zone 9a
Growing Season
294 days
Growing Tips for Calhoun County
Plant bare-root canes in spring. Provide a sturdy trellis system. Prune out spent fruiting canes after harvest. New canes fruit in their second year (floricanes).
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Blackberries in Other Locations
Frequently Asked Questions
When should I plant Blackberries in Calhoun County, TX?
Calhoun County is in Zone 9a with an average last frost of February 16. Plan your Blackberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calhoun County, TX?
Calhoun County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 16 and first fall frost is December 7.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Calhoun County gardeners in Zone 9a organize planting dates, track what's growing, and never miss a planting window.
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