Asparagus Roots Knowledge Base
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Asparagus Roots – Knowledge Base
Asparagus roots (crowns) are dormant, field-grown root systems used to establish long-lived asparagus beds. When planted correctly, asparagus can produce for 15–30 years.
What are asparagus roots?
Asparagus roots, also called crowns, are dormant root systems grown for 1–3 years before shipping and planting.
When should asparagus roots be planted?
Plant in early spring as soon as the soil can be worked, or in fall in mild climates where the ground does not freeze deeply.
How long do asparagus plants take to produce?
Light harvesting may begin in year 2, with full harvests starting in year 3.
How deep should asparagus crowns be planted?
Plant crowns 6–8 inches deep in trenches, gradually filling soil as shoots emerge.
How far apart should asparagus roots be spaced?
Space crowns 12–18 inches apart in rows spaced 4–5 feet apart.
Do asparagus roots need full sun?
Yes. Asparagus performs best with at least 6–8 hours of direct sunlight daily.
How long do asparagus plants live?
Well-maintained beds can remain productive for 20–30 years.
Shipping & Handling
How are asparagus roots shipped?
They are shipped dormant and bare-root, carefully packed to prevent drying during transit.
How long can asparagus roots be stored before planting?
Plant within 24–72 hours of arrival when possible. Short-term refrigeration is acceptable if planting is delayed.
What if my roots arrive dry?
Soak crowns in water for 30–60 minutes before planting.
Growing & Care
What soil is best for asparagus?
Well-drained soil rich in organic matter. Sandy loam is ideal.
Should fertilizer be used when planting?
Yes. Compost or aged manure is recommended. Avoid heavy nitrogen early.
Should asparagus be cut back?
Allow ferns to grow all season and cut back after frost.
Troubleshooting
Why are my asparagus spears thin?
Young plants, overcrowding, or overharvesting are the most common causes.
Can asparagus crowns rot?
Yes. Poor drainage and waterlogged soil can cause crown rot.