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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Description'Painted Desert' Siberian Iris (Iris sibirica) looks elegant in every landscape with dark purple-blue flowers. The delicate, papery flowers bloom profusely atop the grass-like foliage in late spring and early summer. With flowers as showy as these, it's easy to see why butterflies and hummingbirds can't seem to stay away! Thankfully, deer and rabbits don't like this plant quite as much. Plant this iris in rain gardens, near bogs, or along the water's edge. The flowers may look dainty, but this perennial is hardy and won't disappoint!DetailsBotanical name:Iris sibirica 'Painted Desert' Common name: Siberian iris Zone: 3 - 9 Sun exposure: Sun (6+ hrs/day), part sun (4-6 hrs/day) Height x width: 24-36"x 18-24" Flower color: Purple Foliage color: Green Season of interest: Late Spring Uses: Accent, background, border, cottage garden, massing, rain garden, watersideHow To GrowSoil: Performs well in most soil types, and particularly enjoys soils with high nutrients. Light: Thrives in full to part sun and prefer afternoon shade in hot, southern zones. Water: They prefer consistent moisture conditions. Spacing: Space 18"- 24" Fertilizing. Can be fertilized in spring with an all purpose garden option. Maintenance and pruning: Remove spent blooms. Divide plants every four year if you see a reduction in flowering performance. Clean up old foliage in spring.