Asparagus is planted as crowns or bare roots. Crowns should be kept slightly moist until planting. Popular male varieties such as Jersey Knight, Apollo, and Jersey Giant often produce thicker spears. Martha Washington and Purple Passion are sweet and reliable performers.
Bed Preparation and Planting
Plant April 1 through May 15 when soil temperatures reach about 55 degrees. Avoid cold, wet soil.
Planting guidelines:
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Dig a furrow 5–6 inches deep
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Line with compost
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Space crowns 12 inches apart
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Rows 2–3 feet apart
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Cover crowns and gradually hill as they grow
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Do not compact soil
Side dress with 10-10-10 fertilizer after about 6 weeks.
Harvest Timeline
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Year 1: Do not harvest
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Year 2: Harvest lightly
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Year 3 and beyond: Harvest fully
Spears emerge in 2–3 weeks. Harvest daily for 6–8 weeks once established. Each mature crown may yield about ½ lb daily.
Stop harvesting when plants begin to fern out in mid-June. Allow ferns to mature and turn brown before cutting back in late fall.
Common Issues
The asparagus beetle feeds during warm daylight hours. Larvae appear as small yellowish caterpillars. Adults are spotted beetles in brown or red tones. If populations increase, treat with Spinosad or Neem in early morning or late afternoon.
Growing Success Starts with Preparation
Healthy vegetables begin with healthy soil. Compost, balanced fertilizers such as 10-10-10, proper spacing, and consistent watering practices make all the difference. The Mill carries certified seed potatoes, asparagus crowns, onion sets, garlic, compost, fertilizers, and soil amendments to support every stage of the growing process.
From cool spring soil to midsummer harvest, every vegetable has its season. With the right timing and knowledge, gardeners can enjoy productive yields year after year.
For more expert advice, visit your local The Mill location or explore additional gardening resources at themillstores.com.
