A patience-testing perennial that takes a few years to establish, then delivers tender spears every spring for 15–20 years. The ultimate plant-it-once crop.
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Full sun
Zones 3–8
12–18 in apart in trenches, rows 4–5 ft apart.
Deep, loose, well-draining soil rich in organic matter; pH 6.5–7.5.
Keep evenly moist, about 1–2 in/week during the growing season; deep roots tolerate brief dry spells once established.
Apr – May
Apr – Jun
Plant one-year-old crowns in trenches in spring; seed-grown plants take an extra year to reach harvest size.
Good with Tomato, Parsley, Basil. Keep apart from Onion, Garlic, Potato.