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Family: Polemoniaceae
(po-le-moh-nee-AY-see-ee) Genus: Phlox (floks) Species: subulata (sub-yoo-LAH-tuh) Cultivar: Emerald Blue Additional cultivar information: (aka Blue Emerald)
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Category PerennialsWater Requirements Drought-tolerant; suitable for xeriscapingSun Exposure Full SunFoliage EvergreenFoliage Color UnknownHeight under 6 in. (15 cm)Spacing 18-24 in. (45-60 cm)Hardiness USDA Zone 3a: to -39.9 °C (-40 °F)USDA Zone 3b: to -37.2 °C (-35 °F) USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F) |
Where to Grow UnknownDanger UnknownBloom Color Blue-VioletBloom Characteristics UnknownBloom Size UnknownBloom Time Mid SpringOther details UnknownSoil pH requirements 5.6 to 6.0 (acidic)6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) Patent Information UnknownPropagation Methods From herbaceous stem cuttingsBy simple layering By stooling or mound layering Seed Collecting N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed |