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When to Plant Pomegranate in Pierce County, WA

Pomegranates are drought-tolerant shrubs or small trees producing fruits filled with jewel-like, sweet-tart arils. They thrive in hot, dry climates and make excellent hedges.

Pierce County, Washington is in USDA Zone 8a. The average last spring frost is April 13 and the first fall frost is October 30, giving you a growing season of approximately 200 days.

At an elevation of 168 feet, Pierce County receives approximately 48.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Pomegranate to ensure they mature before fall.

Pierce County, WA (Zone 8a) Long season
200 days
Last Spring Frost April 13
200 growing days
First Fall Frost October 30

Pierce County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.2

Drainage

Well Drained

Monthly Watering Guide for Pomegranate

Pomegranate needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Pomegranate Needs Rainfall You Supplement Action
Jan โ€” 6.8" 0" โ„๏ธ Dormant
Feb โ€” 5.7" 0" โ„๏ธ Dormant
Mar โ€” 4.4" 0" โ„๏ธ Dormant
Apr 4.3" 4.1" 0.2" ๐Ÿ’ง Light watering
May 4.3" 2.8" 1.5" ๐Ÿ’ง Light watering
Jun 4.3" 2" 2.3" ๐Ÿšฟ Regular watering
Jul 4.3" 0.9" 3.4" ๐Ÿšฟ Regular watering
Aug 4.3" 0.9" 3.4" ๐Ÿšฟ Regular watering
Sep 4.3" 2" 2.3" ๐Ÿšฟ Regular watering
Oct 4.3" 4.7" 0" โœ… Rainfall sufficient
Nov โ€” 7.8" 0" โ„๏ธ Dormant
Dec โ€” 6.8" 0" โ„๏ธ Dormant

Water needs are for active growing months only (Aprโ€“Oct in Pierce County). Supplement amounts are based on average rainfall โ€” actual needs vary with temperature, soil, and mulching.

Pomegranate Planting Timeline โ€” Pierce County, WA

Pomegranate Planting Calendar

Activity When Date Range
Transplant Outdoors May 4 May 4 โ€“ May 18

ยท 120" apart ยท Rows 144" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April โ€”
May Transplant Outdoors
June โ€”
July โ€”
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

Low โ€” drought tolerant

๐Ÿ“… Days to Maturity

730โ€“1095 days

๐Ÿงช Soil pH

Needs 5.5โ€“7.5 ยท Your soil: N/A

๐Ÿ—บ๏ธ USDA Zone

Zone 8a

๐Ÿ“† Growing Season

200 days in Pierce County

Growing Tips for Pierce County

Plant in full sun with well-drained soil. Water deeply but infrequently. Prune to maintain shape and remove suckers. Harvest when fruits have developed full color and sound metallic when tapped.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Pomegranate in Pierce County, WA?

Pierce County is in Zone 8a with an average last frost of April 13. Plan your Pomegranate planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Pierce County, WA?

Pierce County, Washington is in USDA Hardiness Zone 8a. The average last spring frost is April 13 and first fall frost is October 30.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Pierce County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Pierce County, WA. Local conditions may vary. Last updated: April 2026.