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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
gardens.
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 sq. ft.
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.
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