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Impatiens

Botanical Name
Impatiens wallerana
Hardiness
Zone 11, grown as annual elsewhere
Height
6 to 18 inches
Width
12 to 24 inches
Flowers
Summer till frost: red, white, pink, orange, purple, yellow, other
Light
Full to part shade
Soil
Moist, especially in sunny areas
Planting & Care
  • Space small plants 8 inches apart and larger plants 12 inches apart
  • Keep soil moist, but not soggy
  • Pinch back leggy plants for fuller growth
  • Can be overwintered indoors. Take 3 to 4” cuttings and root in moist vermiculite or a well-drained potting mix. I find setting the pot in a plastic bag left open increases the humidity to encourage rooting without leading to rot. Once rooted, they can be moved to their permanent container, placed in a sunny location and grow as a houseplant.
  • You can also bring the whole plant indoors and raise it like a houseplant. Grow in a bright, sunny window or under artificial lights and keep the soil moist. Don't be alarmed if the plant drops most of its leaves. It will soon send out new leaves more suited for its indoor location.
Problems
Downy mildew, slugs, spider mites (especially indoors), necrotic spot virus, sunburn in direct sun
Varieties
  • Mini-Hawaiian Series - miniatures in various flower colors
  • Seashell Series - yellow, peach, apricot, papaya, passion, or tangerine
  • Fiesta & Carousel - double flowers
  • Jewel Series - variety of bright flower colors

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