When to Plant Boysenberries in Clallam County, WA
Boysenberries are a cross between raspberries, blackberries, and loganberries, producing large, dark, intensely flavored berries. They are excellent for jams and pies.
Clallam County, Washington is in USDA Zone 8a. The average last spring frost is April 23 and the first fall frost is October 26, giving you a growing season of approximately 186 days.
At an elevation of 194 feet, Clallam County receives approximately 54.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Boysenberries to ensure they mature before fall. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Boysenberries root diseases.
Clallam County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-6.8
Drainage
Well Drained
Monthly Watering Guide for Boysenberries
Boysenberries needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Boysenberries Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 8.9" | 0" | ❄️ Dormant |
| Feb | — | 5.5" | 0" | ❄️ Dormant |
| Mar | — | 5.3" | 0" | ❄️ Dormant |
| Apr | 4.3" | 4.6" | 0" | ✅ Rainfall sufficient |
| May | 4.3" | 3" | 1.3" | 💧 Light watering |
| Jun | 4.3" | 2.1" | 2.2" | 🚿 Regular watering |
| Jul | 4.3" | 0.8" | 3.5" | 🚿 Regular watering |
| Aug | 4.3" | 1.1" | 3.2" | 🚿 Regular watering |
| Sep | 4.3" | 2.5" | 1.8" | 💧 Light watering |
| Oct | 4.3" | 4" | 0.3" | 💧 Light watering |
| Nov | — | 9.1" | 0" | ❄️ Dormant |
| Dec | — | 7.9" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Apr–Oct in Clallam County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Boysenberries Planting Timeline — Clallam County, WA
Boysenberries Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 14 | May 14 – May 28 |
· 24" apart · Rows 72" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| 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
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
186 days in Clallam County
Growing Tips for Clallam County
Provide strong trellising for vigorous canes. Prune spent canes to ground after harvest. Mulch heavily to retain moisture. Protect from wind to prevent cane damage.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Boysenberries in Other Locations
Frequently Asked Questions
When should I plant Boysenberries in Clallam County, WA?
Clallam County is in Zone 8a with an average last frost of April 23. Plan your Boysenberries planting based on this frost date — see the calendar above for exact timing.
What planting zone is Clallam County, WA?
Clallam County, Washington is in USDA Hardiness Zone 8a. The average last spring frost is April 23 and first fall frost is October 26.
Plan Your Garden with Confidence
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