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
Growth Stages
- Seedling
- Early Vegetative
- Late Vegetative / Harvest Ready
Planting Dates by Zone
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.
Start Free Learn More