Asparagus

🍽 Overview

Crop: Asparagus
Common Varieties in OK: ‘Jersey Giant’, ‘Mary Washington’, ‘Purple Passion’
Planting Season: Early spring (late February to mid-March)
Days to Maturity: 2–3 years to establish; produces for 15–20 years once established


🎨 Trait Legend

Trait Symbol Meaning

🟦 Cool-season Best planted in early spring
🥬 Perennial veggie Comes back year after year
🟩 Full sun Needs 6–8 hours of direct sunlight
⏳ Patience crop Requires multiple seasons to fully produce


📏 Spacing & Soil

Row Spacing: 3–5 feet

Crown Spacing: 12–18 inches

Soil Needs: Deep, loose, well-drained soil with compost; pH 6.5–7.5

Fertilizer: Compost at planting; side-dress with 10-10-10 in early spring


🌱 Cultivars We Recommend

‘Jersey Giant’ 🟦🥬⏳
Cold-tolerant hybrid with strong yields. Disease resistant.

‘Mary Washington’ 🟦🥬⏳
Classic heirloom. Tried and true for home gardens.

‘Purple Passion’ 🟦🥬⏳
Sweeter taste. Stunning purple spears. Turns green when cooked.


🧠 Tips

Plant crowns (not seeds) for faster production

Do not harvest until the second or third year

Leave ferns through summer/fall to feed next year’s growth

Keep bed weed-free to reduce competition

Once established, harvest spears daily for 4–6 weeks each spring