When to Plant Blueberries in Shasta County, CA
Blueberries are long-lived shrubs producing sweet, antioxidant-rich berries. They require acidic soil and are attractive ornamental plants with fall color and spring flowers.
Shasta County, California is in USDA Zone 8b. The average last spring frost is June 6 and the first fall frost is September 21, giving you a growing season of approximately 107 days.
At an elevation of 81 feet, Shasta County receives approximately 40.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 85°F, providing good warmth for Blueberries during the growing season. Sandy soil warms quickly in spring — great for early planting — but Blueberries will need more frequent watering and organic matter to retain nutrients.
Shasta County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.7-6.8
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
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Blueberries Planting Timeline — Shasta County, CA
Blueberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 27 | Jun 27 – Jul 11 |
· 48" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | Transplant Outdoors |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
730–1095 days
Soil pH
4.5 – 5.5
USDA Zone
Zone 8b
Growing Season
107 days
Growing Tips for Shasta County
Plant at least two varieties for cross-pollination. Acidify soil with sulfur or pine needle mulch to maintain pH 4.5-5.5. Protect ripening berries from birds with netting.
Companion Planting
Good Companions
Level Up Your Garden
Blueberries in Other Locations
Frequently Asked Questions
When should I plant Blueberries in Shasta County, CA?
Shasta County is in Zone 8b with an average last frost of June 6. Plan your Blueberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Shasta County, CA?
Shasta County, California is in USDA Hardiness Zone 8b. The average last spring frost is June 6 and first fall frost is September 21.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Shasta County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.
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