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The Plant Guide

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Ornamental onion, Allium senescens

Allium senescens

AL-ee-um sen-ESS-senz

This plant has thin, strap-like foliage that tends to twist. It produces up to 30 long-lasting, 12- to 40-inch-tall pink or lilac flowers in mid- to late summer.

Noteworthy CharacteristicsAttractive to hummingbirds.

CareProvide full sun to part shade and most any well-drained soil.

PropagationSow seed in spring in containers or in situ. Divide clump-forming plants in spring.

ProblemsBulb rot in damp conditions. Onion fly and thrips.

  • Genus : Allium
  • Zones : 10, 4, 5, 6, 7, 8, 9
  • Plant Height : 6 to 12 inches
  • Plant Width : 6 to 12 inches
  • Moisture : Adaptable
  • Plant Type : Bulbs
  • Characteristics : Fragrant Flowers
  • Light : Full Sun to Partial Shade
  • Bloom Time : Late Summer, Summer
  • Maintenance : Low
  • Flower Color : Pink
  • Plant Seasonal Interest : Summer Interest
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