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HIPPEASTRUM = AMARYLLIS
(Hybrids are available in red, pink, white, salmon,
and bicolors.)
A. Flowering Characteristics
Hippeastrum (Amaryllis) flowers in late spring
(May) and lasts for 3-4 weeks. They are 24-36
inches tall.
B. General Characteristics
1. Origin of species: South America
2. Common names: Dutch Amaryllis, South African
Amaryllis
3. Geophyte organ: A tunicated bulb
4. Hardiness type: Tender III - Injured at temperatures
below 35 degrees F (2C) when planted.
5. Natural reproductive systems and growth and
development requirements: Reproduces by seed and
offsets and require a very warm (70 to 85F) -
cool (45 to 55F) - high (70 to 85F) annual thermoperiodic
cycle.
6. Primary uses: Beds, borders, exhibition bulbs,
and fresh cut flowers.
C. Cultural Information
1. Bulb sizes: 24/26, 26/28, 28/30, 30/up cm,
in circumference.
2. Planting density: 6-12 inches apart, 1-2 per
sq. ft. Does very well when planted in clumps
of 3 or more bulbs.
3. Planting depth: 8 inches to base of the bulb.
4. Planting time: Fall or spring
5. Perennialization habit: 1990 USDA Climatic
Zones 7 to 8 with mulch, 9 to 10 without mulch.
6. Light requirements: Full sunlight to PM only
sunlight.
7. Moisture: Tolerates drought, but keep moist
during active growing season.
8. Animal susceptibility: Not reported.
D. Companion Plants:
Alyssum, Arabis, Aster alpinus, Centaurea dealbata,
Coreopsis, 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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