Asparagus Boonlim Crowns - 9 Pack

Asparagus 'Boonlim' is a high-yielding variety celebrated for its thick, sweet spears and vigorous...

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B&QB&Q - 1 X Asparagus Crown Avalim Roots For PlantingPremium Quality Vegetable Perennials For Kitchen Gardens & Allotments
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Carbeth PlantsCarbeth Plants Purple Asparagus Crowns
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Product Information

Full details

The Carbeth Plants Asparagus 'Boonlim' 9-pack is designed for home gardeners and allotment owners looking for a high-yield, reliable perennial vegetable crop. These mature crowns allow for a much faster establishment and earlier harvest compared to growing from seeds, offering thick, sweet, and uniform spears. While they are exceptionally hardy and low-maintenance once established, they require a patient initial investment, as full-scale harvesting should typically be delayed until the second or third year to allow the root system to reach maturity.

All features

Model Part NumberASPRGUSCRNS-BOON9
BrandCarbeth Plants

Extended Product Information

FAQs

When is the best time to plant Boonlim crowns?

Early spring is the ideal time to plant, as soon as the ground has thawed and can be worked.

Can I harvest asparagus in the first year?

It is recommended to avoid harvesting in the first year to allow the root system to establish fully; light harvesting can begin in the second year.

How deep should I plant the crowns?

Place the crown on a mound in your trench so that the buds are about 6 to 8 inches below the soil surface.

Do I need to do anything to the plants in winter?

Once the foliage turns yellow and brown in late autumn, cut the stems back to about 2 inches above the soil level.

How much space does each crown need?

Space each crown approximately 12 to 18 inches apart to ensure sufficient airflow and nutrient access.

Are these plants suitable for containers?

Asparagus has a deep, extensive root system, so while possible in very large, deep tubs, they perform significantly better in open garden soil or large raised beds.

Troubleshooting

Spears are thin or spindly

This often occurs in the first year or if the plant is under-nourished. Ensure the soil is rich in organic matter and allow the plant to mature for another season.

Spears rotting at the base

This is likely due to poor drainage. Ensure the planting site is elevated or amended with grit/organic matter to prevent waterlogged soil.

Yellowing fronds in summer

Check for pests or nutrient deficiency. While yellowing is normal in late autumn as the plant goes dormant, mid-summer yellowing may require a balanced feed.

Pros and Cons

Pros

  • Significantly faster establishment than seed-grown plants
  • Produces thick, sweet, and uniform spears
  • Extremely long lifespan of up to 20 years
  • Hardy perennial variety suitable for various soil types
  • Minimal ongoing maintenance once rooted

Cons

  • Requires patience; harvesting should be limited in the first year
  • Needs full sun exposure for optimal growth
  • Requires well-draining soil to prevent crown rot

Setup, Compatibility & Care

For the best results, plant your 'Boonlim' crowns in early spring as soon as the soil can be worked. Choose a site that receives full sun and offers excellent drainage, as standing water can damage the crown. Dig a trench approximately 12 inches wide and 8 inches deep, creating a slight mound in the center. Spread the roots over the mound, cover with 2-3 inches of soil, and water thoroughly. As shoots appear, gradually fill the trench with soil throughout the season. Keep the bed weed-free during the first two years to reduce competition for nutrients. Apply a balanced organic fertilizer in early spring each year once the harvesting season ends to support next year's growth.

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