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70 " 77 days. Annual. Purple Knight Alternanthera seeds promise an exotic and neat ornamental foliage ideal for many humid gardens across North America. Purple Knight seeds mature into robust 18 " 24" tall mounded shrubs of rich purples and reds spreading out for an eye-catching trim along walkways, borders, and fences. Alternanthera is native to the perennial warmth of Asia, Africa, and Australia and will thrive all season in similar climates. Purple Knight alternanthera is easy to grow from seed and guarantees a unique and low-maintenance ground cover for any residential or commercial property.
Alternanthera dentata, or otherwise best known as Purple Knight, Joyweed or Joseph"s Coat, is one of the most prominent and easily recognizable ground covers in the world. Most species of Alternanthera are used as ornamentals, while some species are grown as a vegetable in various parts of Asia. There is a variety of similarly dark leafy grows that can often be substituted or grown in tandem with Purple Knight alternanthera including dichondra, iresine, and plectranthus.
Purple Knight Alternanthera is easy to grow from seed and most commonly sown directly outdoors after the frost but, for earliest blooms, start seeds indoors 6 " 8 weeks prior. Alternanthera decorative foliage seeds will germinate in 5 " 14 days with full lighting and harden off plants to a sunny place in the garden to promote maximum color. Plants are popularly repotted overwinter.
Days to Plant Maturity:
70 " 77 days
Seed Planting Depth:
Lightly press without covering 3 " 4 seeds into soil
Purple Knight Alternanthera requires consistently moist soil and must not be allowed to dry out or foliage and color will suffer. Plants will show signs of wilt if left un-shaded during excessive summer heat. Alternanthera plants have no serious pests or diseases but monitor regularly for aphids and spider mites. Plants will shoot small white blooms in the summer, however, most gardeners prefer to pinch the shoots to focus energies on the vibrant leaf production instead.
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