Zucchini illustration 🥒

Zucchini Growing Guide

Cucurbitaceae family

Days to Harvest50 days
SunlightFull Sun
Frost ToleranceNone
Spacing1/sqft (12" apart)
Germination4-10 days
HardinessVery Tender
Germ. Temp85°F
Start Indoors4 weeks before last frost

Companion Planting

CornBeansNasturtiumsPhacelia

Avoid Planting Near

Potatoes

Growth Stages

  1. Seedling
  2. Vining
  3. Flowering
  4. Fruiting / Harvest Ready

Planting Dates by Zone

Zone 1aZone 1bZone 2aZone 2bZone 3aZone 3bZone 4aZone 4bZone 5aZone 5bZone 6aZone 6bZone 7aZone 7bZone 8aZone 8bZone 9aZone 9bZone 10aZone 10bZone 11aZone 11bZone 12aZone 12bZone 13aZone 13b

Frequently Asked Questions

How long does it take to grow Zucchini?

Zucchini takes approximately 50 days from planting to harvest.

How much sun does Zucchini need?

Zucchini requires full sun (6+ hours direct sunlight per day).

How far apart should I plant Zucchini?

Plant Zucchini at 1/sqft (12" apart) using square foot gardening spacing.

Can Zucchini survive frost?

Zucchini is frost-sensitive and should not be exposed to frost.

What are good companion plants for Zucchini?

Good companion plants for Zucchini include Corn, Beans, Nasturtiums, Phacelia. Avoid planting near Potatoes.

How long does Zucchini take to germinate?

Zucchini seeds germinate in 4-10 days at an optimal temperature of 85°F.

When should I start Zucchini seeds indoors?

Start Zucchini seeds indoors 4 weeks before your last frost date, then transplant 2 weeks after last frost.

Plan Your Zucchini Garden

Track Zucchini from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.

Start Free Learn More