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- PUSCHKINIA libanotica (Bluish-white flowers) A. Flowering Characteristics Puschkinia libanotica flowers in mid-spring (March/April) for 3-4 weeks and plants are 4-6 inches tall. B. General Characteristics 1. Origin of species: Asia Minor, Caucasus 2. Common names: Striped Squill 3. Geophyte organ: Bulb 4. Hardiness type: Hardy II 5. Natural reproductive systems and growth and development requirements: Reproduces by bulblets and requires a warm (65 to 75F) - cool (28 to 32F) - warm (50 to 65F) annual thermoperiodic cycle. 6. Primary uses: Rock gardens, beds, borders, ground covers, and woodland gardens. C. Cultural Information 1. Bulb sizes: 4/5, 5/up cm, in circumference. 2. Planting density: 1-2 inches apart, 15-20 bulbs per sq. ft. 3. Planting depth: 5 inches to base of the bulb 4. Planting time: Fall 5. Perennialization habit: 1990 USDA Climatic Zones 2 3 4 5 6 7 8 9 10 11 - M M P P P - - - - 6. Light requirements: Sunlight Full PM AM Shade (light reduction) only only 25% 50% XXXXXXXXX 7. Moisture: Tolerates summer drought, but requires moisture during growing season. 8. Animal susceptibility: Not reported. D. Companion Plants: Chaenomeles japonica, Forsythia, Jasminum nudiflorum, Vinca minor, Hammamelis, Rhododendron spp. (deciduous and evergreen), Cotoneaster, Berberis, Acer palmatum, Deutzia gracilis, Weigela.
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