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When to Plant Olive Tree in Forks, Washington (98331)

Location

Forks, Washington

ZIP Code

98331

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Sunday, March 29, 2026

Based on last frost Sunday, March 15, 2026 · Zone 8b

Pro tip: Sow Olive Tree directly outdoors 2 weeks after your last frost date — it needs warm soil.

🌿 Plant Details

Scientific Name Olea europaea
Days to Maturity 1825 days
Mature Height 120-300"
Spread 180"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Low (drought tolerant)

↔️

Spacing

240" apart

🌱

Planting Depth

6" deep

Seeds typically germinate in 30-60 days

Ready to Plant Olive Tree in Forks?

Get your seeds now so they're ready by Sunday, March 29, 2026.

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🤝 Good Companions

LavenderRosemaryThyme
🤝

Full Companion Planting Guide for Olive Tree

See which plants help Olive Tree thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🔴 Difficult
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Extract seed from fully ripe (black) olives in fall.

Processing

Remove flesh, scarify seed coat with sandpaper, soak 24 hours, then cold-stratify 2 months before planting.

Seed Viability

Up to 1 year when stored cool, dark, and dry.

Pro Tip

Seed-grown olives take 10+ years to fruit and may not match parent. Semi-hardwood cuttings are a much better method.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 0 plants of Olive Tree. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Olive Tree in Forks, Washington? +

In Forks (Zone 8b), direct sow Olive Tree outdoors around Sunday, March 29, 2026.

What is the last frost date for Forks, Washington? +

The average last spring frost date for Forks, Washington (ZIP 98331) is around Sunday, March 15, 2026. This is based on NOAA climate normals for USDA Zone 8b.

How long does Olive Tree take to grow? +

Olive Tree typically matures in about 1825 days from direct sowing. In Forks, that means you can expect harvest around Sunday, March 29, 2026 plus 1825 days.

Should I start Olive Tree indoors or direct sow in Washington? +

Olive Tree does best when direct sown outdoors. In Forks, sow directly around Sunday, March 29, 2026.

Other Plants for Forks

Growing Olive Tree in Zone 8b

Olive Tree (Olea europaea) is a popular garden vegetable. In Forks, Washington, which is in USDA Hardiness Zone 8b, you should direct sow seeds around Sunday, March 29, 2026.

Your average last frost date is Sunday, March 15, 2026. Olive Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.