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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DescriptionLighter purple coloration, larger flowers, and stronger stems set 'Bubble Bath' allium apart from other alliums in the landscape. Globular flower clusters are not only larger (reaching 3" in diameter), but they are packed full of more flowers, making them appear effervescent as they bloom in the landscape. Though they bloom in late summer and early fall, their glaucous blue-green foliage keeps them looking appealing all season long.
Perennial allium is beloved by gardeners, but more importantly, it attracts butterflies and honeybees in troves. Each flower head is made of hundreds of nectar-rich flowers, which are an essential food source for pollinators in late summer and early fall. While most love it, pests (like deer and rabbits) find it distasteful and tend to leave it unbothered. It's an ideal choice for gardeners of all levels, requiring very little maintenance to succeed in the landscape. DetailsBotanical name:Allium 'Bubble Bath' Patent #: USPPAF Common name: Ornamental Onion Zone: 4 - 8 Sun exposure: Sun (6+ hours sun) to part sun (4-6 hours sun) Height x width: 26-28" x 24-26" Flower color: Purple Foliage color: Blue-green Season of interest: Summer and fall Bloom time: Midsummer, late summer, early fall Features: Rabbit resistant, heat tolerant, deer resistant, container plants, cold tolerant, best for beginners Uses: Groundcover, edging, flower gardens, wildlife gardens, pollinator gardens, cut flower, accent, mass planting, herb garden, rock garden How To GrowSoil: Not fussy about soil, provided it is well-drained. Light: Full sun to part shade Water: Average moisture is fine. Tolerates drought and dry conditions once established. Spacing: 12 inches Fertilizing: Not required. If more rapid growth is desired, apply a rose fertilizer in early spring. Winterizing: No special winter requirements Maintenance & pruning: Nothing special required. Foliage tends to be evergreen and needs little maintenance; if any dried flower stalks remain on the plant in spring, they can be trimmed off as needed.