When to Plant Zucchini in Fort Huachuca, Arizona (85613)

Location

Fort Huachuca, Arizona

ZIP Code

85613

USDA Zone

Last Frost

Sunday, March 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, February 15, 2026

Transplant Outdoors

Sunday, March 29, 2026

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

Pro tip: Start Zucchini seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 2026.

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🌿 Plant Details

Scientific Name Cucurbita pepo

Days to Maturity 50 days

Mature Height 24-36"

Spread 48"

Type Bush

Fruit Size Medium (6-8 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

36" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Zucchini in Fort Huachuca?

Get your seeds now so they're ready by Sunday, February 15, 2026.

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🤝 Good Companions

CornBeansNasturtiumMarigold

⚠️ Avoid Planting Near

Potato

🤝

Full Companion Planting Guide for Zucchini

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

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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Common Zucchini Varieties

Popular cultivars to look for at your local nursery or seed supplier.

Black Beauty

open-pollinated 55d

The classic dark green zucchini with tender flesh and compact bush habit.

Costata Romanesco

heirloom 52d

Italian heirloom with ribbed, grey-green fruits and nutty flavor; excellent for grilling.

Yellow Crookneck

open-pollinated 53d

Curved yellow summer squash with bumpy skin and creamy, mild flesh.

Patio Star

hybrid 46d

Compact bush variety ideal for small gardens and containers; very productive.

Dunja

hybrid 47d

Powdery mildew–resistant hybrid with high yields and classic zucchini flavor.

Common Zucchini Problems

What to watch for — and how to fix it before it spreads.

🐛

Pests

Squash Vine Borer

Moth larvae that tunnel into the base of the stem, causing the vine to wilt and die mid-season.

Fix:

Wrap stem base in foil; plant a second succession crop in late June to avoid peak egg-laying.

Squash Bug

Flat, gray-brown bugs and their bronze egg clusters cause leaves to wilt, blacken, and die.

Fix:

Scrape off egg clusters on leaf undersides; handpick adults; trap under boards placed near plants.

Cucumber Beetle

Feeds on flowers and young fruit; spreads bacterial wilt.

Fix:

Row covers until flowering; kaolin clay; plant resistant varieties where available.

🍂

Diseases

Powdery Mildew

Inevitable in most gardens by late summer — white coating weakens leaves and reduces yield.

Fix:

Choose resistant varieties (e.g. Dunja); improve spacing; apply potassium bicarbonate preventively.

Blossom End Rot

Sunken, dark spots at the blossom end of fruit from inconsistent watering and calcium issues.

Fix:

Mulch heavily; water consistently; avoid over-fertilizing with nitrogen.

💡

Common Mistakes

Planting too many

Two to three zucchini plants produce more than most families can eat.

Fix:

Start with 2 plants; save space for other crops; succession-plant if you want fall harvest.

Letting fruit get baseball-bat sized

Giant zucchini are seedy and watery; constant harvest encourages the plant to produce more.

Fix:

Pick when 6–8 inches long for best flavor; check plants daily in peak season.

Poor hand-pollination

First flowers are often male; females need a male nearby or hand-pollination to set fruit.

Fix:

Transfer pollen from male (no bump behind flower) to female (tiny fruit behind flower) with a brush.

🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Leave a zucchini on the vine past eating size until it hardens and turns yellow or tan. Cure for 1 month.

Processing

Cut open cured squash, scoop seeds, rinse, dry 2 weeks before storing.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Zucchini (C. pepo) cross-pollinates with pumpkins, acorn squash, and delicata. Hand-pollinate for pure seed.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 3 plants of Zucchini. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Zucchini in Fort Huachuca, Arizona? +

In Fort Huachuca (Zone 8b), start Zucchini seeds indoors around Sunday, February 15, 2026 and transplant outdoors around Sunday, March 29, 2026.

What is the last frost date for Fort Huachuca, Arizona? +

The average last spring frost date for Fort Huachuca, Arizona (ZIP 85613) is around Sunday, March 15, 2026. This is based on NOAA climate normals for USDA Zone 8b.

How long does Zucchini take to grow? +

Zucchini typically matures in about 50 days from transplanting. In Fort Huachuca, that means you can expect harvest around Sunday, March 29, 2026 plus 50 days.

Should I start Zucchini indoors or direct sow in Arizona? +

Zucchini should be started indoors 4 weeks before your last frost date. In Fort Huachuca, that means starting around Sunday, February 15, 2026.

📚 More Zucchini Planting Guides

🗺️

Zucchini in Arizona

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 8b Zucchini Guide

All cities in your zone · Avg dates

→

Other Plants for Fort Huachuca

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Growing Zucchini in Zone 8b

Zucchini (Cucurbita pepo) is a popular garden vegetable. In Fort Huachuca, Arizona, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, February 15, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Zucchini seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.