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PHLOX drummondii '21st Century Blue'( 21ST CENTURY SERIES)
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The pretty and easy-to-grow, heat tolerant 21st Century Series Blue phlox bears cheerful clusters starry flowers that are truly purple. The compact, mounding plants produce side branches readily, forming a full specimen and bloom across the heat of summer, not just in spring and fall. This low, mounding, frost-tender annual is a highly bred selection of the Texas native Phlox drummondii.
Small, narrow, lance-shaped leaves adorn the tender stems. Tiny hairs cover the leaves and stems and give the plants a sticky sensation when touched. The flowers appear a few weeks after the seeds germinate. The five-petaled blooms are tubular at the base and flattened and radial at the mouth. The rich purple blossoms attract butterflies and have a light, sweet scent.
Grow annual phlox in full sun and fertile, well-drained garden soil. Plant it outdoors only after the danger of frost has passed. Better tolerant of summertime heat, they may also be planted as a winter annual in hot climates. This cultivar offers a pretty show with unique coloration in seasonal annual beds and along container edges.
12 - 1
A2, A3, H1, 1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Full Sun, Partial Sun
7"-10" / 17.8cm - 25.4cm
8"-12" / 20.3cm - 30.5cm
Acidic, Neutral, Alkaline
Clay, Loam, Sand
Spring, Summer, Fall
Bedding Plant, Container, Edging, Groundcover, Hanging Basket
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