Plant spacing is based on the ultimate width of the plants. This figure is normally given as a range; for example, 3-5’. If you live in a cold climate and/or want plants to fill in more quickly, plan to space at the shorter end of the range. If you live in a warm climate, are on a limited budget, or are willing to wait longer for plants to touch, use the higher end of the range. Using the larger number is recommended when calculating distance from a building or structure. There’s really no such thing as "maximum spacing": if you don’t want your plants to touch, you can space them as far apart as you’d like. All plant spacing is calculated on center, or in other words, the centers of the plants are spaced one half of their eventual width apart:
Unless you are planting in a straight line, as you might for hedges or edging, space your plants in a staggered or zig-zag pattern for a more interesting and naturalistic look:
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DescriptionIf you love the popular 'Storm Cloud' bluestar, but don't quite have the space, then 'Star Struck' bluestar (or Amsonia) was made for you! It only reaches 20 inches tall and 38 inches wide, making it easier to nestle into your garden. This native perennial is a pollinator's dream with clusters of sky blue flowers that bloom in late spring and early summer. Even after the blooms fade, their dark stems, green foliage, and graceful habit will keep your mixed beds looking lush throughout the season.
'Star Struck' is easy to grow, deer resistant, tolerant of heat and humidity, and perfect for gardeners of any level.DetailsBotanical name: Amsonia 'Star Struck' Patent: USPP 33309 Common name: bluestar, threadleaf bluestar Zone: 4 - 9 Sun exposure: Sun (6+ hours sun) to part sun (4-6 hours sun) Height x width: 20" x 38" Flower color: Blue Foliage color: Green Season of interest: Late winter and early spring Bloom time: Late spring, early summer Features: Rain gardens, native, heat tolerant, deer resistant, best for beginners, wet soils Uses: Edging, flower gardens, wildlife gardens, native plant gardens, landscaping How To GrowSoil: Thrives in most soils. Light: Flowers best in full sun (> 6 hours sun) but will tolerate part sun (4-6 hours sun) as well. Water: Average moisture is ideal and will tolerate dry and wet conditions. Spacing: 2 to 3 feet Fertilizing: Not required, but if desired, fertilize with an all-purpose garden fertilizer in spring. Winterizing: No special winter requirements. Maintenance & pruning: This plant has a naturally petite habit, so pruning is not necessary. However, if you desire a more uniform shape, you can prune just after it’s done flowering.