Asparagus illustration

Asparagus Growing Guide

Asparagaceae family

Days to Harvest730 days
SunlightFull Sun
Frost ToleranceHeavy
Spacing18/sqft
Germination14-21 days
HardinessVery Hardy
Germ. Temp75°F
Start Indoors12 weeks before last frost

Companion Planting

Avoid Planting Near

OnionsPotatoes

Growth Stages

  1. Seedling
  2. Early Vegetative
  3. Late Vegetative / 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 Asparagus?

Asparagus takes approximately 730 days from planting to harvest.

How much sun does Asparagus need?

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

How far apart should I plant Asparagus?

Plant Asparagus at 18/sqft using square foot gardening spacing.

Can Asparagus survive frost?

Asparagus is tolerant of heavy frost and can withstand freezing temperatures.

What are good companion plants for Asparagus?

Good companion plants for Asparagus include Parsley, Calendula, Basil, Tomatoes, Garlic. Avoid planting near Onions, Potatoes.

How long does Asparagus take to germinate?

Asparagus seeds germinate in 14-21 days at an optimal temperature of 75°F.

When should I start Asparagus seeds indoors?

Start Asparagus seeds indoors 12 weeks before your last frost date, then transplant -4 weeks after last frost.

Plan Your Asparagus Garden

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

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