📍 Princeton, OR · Zone 6b · Last frost Wednesday, April 15, 2026
✏️ ChangeWhen to Plant Avocado Tree in Princeton, Oregon (97721)
Location
Princeton, Oregon
ZIP Code
97721
USDA Zone
6b
Last Frost
Wednesday, April 15, 2026
📅 Your 2026 Planting Dates
Direct Sow Outdoors
Wednesday, May 13, 2026
Based on last frost Wednesday, April 15, 2026 · Zone 6b
Pro tip: Sow Avocado Tree directly outdoors 4 weeks after your last frost date — it needs warm soil.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Full Sun (6-8 hours)
💧
Water
Regular (1-2 inches/week)
↔️
Spacing
240" apart
🌱
Planting Depth
2" deep
Seeds typically germinate in 21-42 days
Ready to Plant Avocado Tree in Princeton?
Get your seeds now so they're ready by Wednesday, May 13, 2026.
* Affiliate links — we may earn a small commission at no extra cost to you.
🤝 Good Companions
Full Companion Planting Guide for Avocado Tree
See which plants help Avocado Tree thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
* Affiliate links — we may earn a small commission at no extra cost to you.
🌾 Seed Saving Guide
🟡 ModerateWhen to Harvest Seed
Use the pit from any ripe avocado — it's ready to sprout immediately.
Processing
Wash pit clean, suspend half-submerged over water with toothpicks, or bury 1 inch deep. Roots in 4–6 weeks.
Pro Tip
Seed-grown avocados take 7–15 years to fruit and won't match the parent variety — but a fun project.
Raised Bed Planting Guides
A 4×8 bed fits 0 plants of Avocado Tree. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Avocado Tree in Princeton, Oregon? +
In Princeton (Zone 6b), direct sow Avocado Tree outdoors around Wednesday, May 13, 2026.
What is the last frost date for Princeton, Oregon? +
The average last spring frost date for Princeton, Oregon (ZIP 97721) is around Wednesday, April 15, 2026. This is based on NOAA climate normals for USDA Zone 6b.
How long does Avocado Tree take to grow? +
Avocado Tree typically matures in about 1825 days from direct sowing. In Princeton, that means you can expect harvest around Wednesday, May 13, 2026 plus 1825 days.
Should I start Avocado Tree indoors or direct sow in Oregon? +
Avocado Tree does best when direct sown outdoors. In Princeton, sow directly around Wednesday, May 13, 2026.
📚 More Avocado Tree Planting Guides
Other Plants for Princeton
Growing Avocado Tree in Zone 6b
Avocado Tree (Persea americana) is a popular garden vegetable. In Princeton, Oregon, which is in USDA Hardiness Zone 6b, you should direct sow seeds around Wednesday, May 13, 2026.
Your average last frost date is Wednesday, April 15, 2026. Avocado Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.