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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DescriptionA bold architectural focal point, ‘Sapphire Skies’ Yucca is a foliage-forward perennial with year-round appeal. Sword-shaped leaves emerge from the top of this trunked yucca with blue-green hues. The spikey foliage is accompanied by surprisingly fluffy white flowers that rise from its center in late spring. Bred in Mexico, this arid perennial is hardy to zone 5, drought-tolerant, and deer resistant. Try planting as a focal point in a rock garden or among large evergreens for a stunning textural-focused landscape. Although this perennial is very slow growing, it is worth the wait! DetailsBotanical name: Yucca rostrata 'Sapphire Skies' Common name: Adam’s Needle Zone: 5 - 10 Sun exposure: Sun (> 6 hours sun) to part-sun (4-6 hours sun) Height x width: 4-10' X 3-4' Flower color: Creamy white Foliage color: Blue-green Season of interest: Spring through fall Bloom time: Late Spring Features: Winter interest, rabbit resistant, heat tolerant, drought tolerant, deer resistant, best for beginners Uses: Accent, focal point, foundation planting, ornamental, specimen, evergreen How To GrowSoil: Easily grown in average, dry, well-draining soil. Light: Sun (> 6 hours sun) to part-sun (4-6 hours sun). Water: Needs well-draining soil, drought tolerant once established. Spacing: 4 - 5 feet Fertilizing: A slow-release fertilizer can be applied once every spring. Winterizing: Leave foliage standing throughout winter for visual interest. Maintenance & pruning: Prune spent flower stalks after bloom, cut at base. Foliage does not need any pruning or maintenance.