Description
Botanical name
Asparagus officinalis ‘Purple Passion’
Family
Liliaceae
Spacing
Plant crowns 31-46 cm (12-18″) apart.
Depth
Plant in 15-cm (6″) deep furrows.
Requirements
Full sun, rich soil.
Pests
Rust, fusarium wilt and fusarium stem and crown rot.
Timing
Plant 4 weeks before the last average frost date.
Growing
Keep soil moist, but not wet. In late fall, trim ferns down to 5 cm (2″).
Harvest
1 year
Season
Cool, perennial
Links
https://www.thespruce.com/how-to-plant-and-grow-asparagus-1402814