- karataviense (Lilac to pink flowers)
- A. Flowering Characteristics
- A. karataviense flowers in spring (May) and lasts
2-3 weeks. Plants are 10-12 inches tall and with a compact umbel of sweetly
scented light pink florets.
- B. General Characteristics
- 1. Origin of species: Central Asia
- 2. Common names: Ornamental Onion
- 3. Geophyte organ: Tunicated bulb
- 4. Hardiness type: Hardy II - Injured at temperatures
below 14 degrees F (-10C) when planted.
- 5. Natural reproductive systems and growth and development
requirements: A. karataviense reproduces by annual daughter bulb
replacement and seed and requires a warm (68 to 73F) - cool (28 to 35F)
- warm (55 to 65F) annual thermoperiodic cycle.
- 6. Primary uses: Borders, rock gardens, and woodland
- C. Cultural Information
- 1. Bulb sizes: 10/12 and 12/up cm, in circumference.
- 2. Planting density: 6-12 inches apart, 1-2 bulbs per
- 3. Planting depth: 5 inches to base of the bulb.
- 4. Planting time: Fall
- 5. Climatic zone habit: 1990 USDA Climatic Zone 3 with
mulch, Zones 4 to 7 without mulch.
- 6. Light requirements: Full sunlight to PM only sunlight.
- 7. Moisture: Tolerates summer drought, but keep moist
during growing season.
- 8. Animal susceptibility: Normally not susceptible.
- D. Companion Plants:
- Alyssum, Arabis, Centaurea dealbata, Coreopsis, Dianthus,
Digitalis, Gypsophila paniculata, Hemerocallis (yellow cvs.), Iris
(rhizomatous white and yellow cvs.), Kniphofia (yellow cvs.), Peonies
(white and yellow cvs.), Verbascum (white cvs.), Rhododendron
spp. (deciduous and evergreen), Cotoneaster, Berberis, Acer palmatum,
Deutzia gracilis, Weigela.
Holland Technical Service Bulletin Number 31 was prepared for the WWW system
by A.A. De Hertogh, L.B. Gallitano, M.E. Traer, and A.B. Russell, Department
of Horticultural Science, NC State University. The information was obtained
not only from original research conducted by the authors but also from databases
released by other sources. This Bulletin was published by the International
Flower Bulb Center (IBC), Hillegom, the Netherlands on behalf of the Dutch Flower
Bulb Industry. Because of the various climates in North America and year-to-year
variability of the weather, the IBC cannot and does not accept responsibility
for divergent results that may arise using information obtained from this document
or site. Photographs copyright @1997 by A.B. Russell and A.A. De Hertogh. Computer
programming by Miguel Buendia, graphics by Brad Capel.