my LocalPlanting

When to Plant Olive Tree in Brooklyn, Wisconsin (53521)

Location

Brooklyn, Wisconsin

ZIP Code

53521

USDA Zone

5b

Last Frost

Saturday, April 25, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Saturday, May 9, 2026

Based on last frost Saturday, April 25, 2026 · Zone 5b

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 Brooklyn?

Get your seeds now so they're ready by Saturday, May 9, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 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

* Affiliate links — we may earn a small commission at no extra cost to you.

🌾 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 Brooklyn, Wisconsin? +

In Brooklyn (Zone 5b), direct sow Olive Tree outdoors around Saturday, May 9, 2026.

What is the last frost date for Brooklyn, Wisconsin? +

The average last spring frost date for Brooklyn, Wisconsin (ZIP 53521) is around Saturday, April 25, 2026. This is based on NOAA climate normals for USDA Zone 5b.

How long does Olive Tree take to grow? +

Olive Tree typically matures in about 1825 days from direct sowing. In Brooklyn, that means you can expect harvest around Saturday, May 9, 2026 plus 1825 days.

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

Olive Tree does best when direct sown outdoors. In Brooklyn, sow directly around Saturday, May 9, 2026.

Other Plants for Brooklyn

Growing Olive Tree in Zone 5b

Olive Tree (Olea europaea) is a popular garden vegetable. In Brooklyn, Wisconsin, which is in USDA Hardiness Zone 5b, you should direct sow seeds around Saturday, May 9, 2026.

Your average last frost date is Saturday, April 25, 2026. Olive Tree grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.