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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DescriptionDark Knight™ Sweet Alyssum (Lobularia) blooms all summer long with vibrant purple flowers. Even in the heat, flowers won't fade! With plenty of water, this annual will reward you with masses of fragrant flowers that attract bees and butterflies. Try planting it with butterfly bushes for a flower-packed summer garden.
This Lobularia is sterile.DetailsBotanical name:Lobularia hybrid 'INLOBU1007' Common name: Sweet Alyssum Zone: Annual Sun exposure: Full sun (6+ hours sunper day) to part sun (4-6 hours sun) Height x width: 8-12" tall x 18-24" wide Flower color: Purple Foliage color: Green Season of Interest: Summer Uses: Flower gardens, container gardening, pollinator garden, cottage garden.How To Grow
Soil: Thrives in any moist, yet well-draining soils. Light: Full sun (6+ hours direct sun) to part sun (4-6 hours sun) Water: Moderate. Water frequently, as it prefers to grow in evenly moist soils. Spacing: 18-24 inches Fertilizing: Seldom needed. Apply a granular garden fertilizer in early spring if desired. Maintenance & Pruning: None required; you may shear back old blooms if you wish, but this is not necessary for continuous bloom.