Asparagus Growing Guide

Asparagus

Crop Rotation Group

Miscellaneous 

Soil

Fertile, well drained, and free of persistent weeds.

Position

Full sun to partial afternoon shade.

Frost tolerant

Long-lived hardy perennial. Beds can produce for decades.

Feeding

Mulch with 5cm (2 in) of rich compost or rotted manure every winter.

Companions

Apricot, Basil, Comfrey, Lovage, Marjoram, Parsley, Tomato, Calendula and Petunia.

Spacing

Single Plants: 45cm (1' 5") each way (minimum)
Rows: 45cm (1' 5") with 45cm (1' 5") row gap (minimum)

Sow and Plant

Set out dormant 1-year old roots, called crowns, in winter. A few varieties can be grown from seed.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.

Notes

After the stems die back in early winter, cut them off at ground level and compost them. Remove weeds, apply compost and mulch, and your yearly maintenance is done.

Harvesting

Begin gathering spears the second year after planting, cutting all spears that appear for a month in early spring. In subsequent years, harvest for 6 weeks each spring.

Planting and Harvesting Calendar

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Pests which Affect Asparagus