Tapertip Onion
Allium
Liliaceae · perennial · introduced
Last updated
Data Coverage 3 of 6 dimensions
Tapertip onion is a bulbous perennial in the Amaryllidaceae family with grass-like foliage and small umbels of flowers on slender stems. Native to western North America, it grows in dry, rocky habitats at various elevations.
Give it full sun and well-drained soil for best performance. Monitor for pest and disease issues, as the genus has 23 known associations documented.
Quick Facts
Height
1 ft
Light
Full Sun
Soil
Moist
Water
Moderate
Hardiness
Zone Zones 5a–9b
Diseases (20)
Fusarium oxysporum Basal Rot Penicillium expansum Blue Mold Rot Botrytis cinerea Botrytis Blight Peronospora sparsa Downy Mildew Fusarium oxysporum Fusarium Basal Rot Fusarium oxysporum f Fusarium Bulb Rot of Onion and Garlic (Dry Rot) Botrytis allii Neck Rot (Gray Mold) Abiotic or Fusarium spp. Punky Bulb Thrips tabaci Purple Blotch Thekopsora minima and Naohidemyces vaccinii Rust Stromatinia cepivora (syn. Sclerotium cepivorum) White Rot Iris yellow spot virus (IYSV) Iris Yellow Spot Botrytis allii Neck Rot Chlaropsis thielavioides Black Mold Pectobacterium carotovorum and Enterobacter spp. Bulb Rots (Bacterial Soft Rots, Enterobacter Bulb Decay, Slippery Skin, Sour Skin, and Yeast Soft Rot) Setophoma terrestris (syn. Phoma terrestris) Pink Root Podosphaera aphanis var. aphanis Powdery Mildew Ustilago spp. Smut Stemphylium vesicarium Stemphylium Leaf Blight and Stalk Rot Abiotic (herbicide injury, typically 2,4-D) Twister
Pests (3)
Cultivars (6)
''AlliYUM''
AlliYUM!™ Garlic Chives
''Windy City''
Windy City Ornamental Onion
''Millenium''
Ornamental Onion
''Serendipity''
'Serendipity' Ornamental Onion
''Nonelbmu'' Glitterbug®
Glitterbug® Humble Bumble® Ornamental Chive
'Globemaster'