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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DescriptionThe vibrant tubular flowers of 'Little Red Head' spigelia (Spigelia marilandi) steal the show throughout summer! Bright red and yellow blooms look like tiny fireworks against this perennial's lush green foliage. Spigelia is an excellent choice for mixed borders or containers! Easy to care for, it's not too picky about where it's planted as long as it has moist, well-drained soil to call home. Growing best in full sun to partly sunny conditions, this perennial is well suited for areas with dappled light like flowerbeds underneath trees. Loved by hummingbirds and native to Missouri, 'Little Red Head' spigelia makes a great addition to native and pollinator gardens.DetailsBotanical name: Spigelia marilandica 'Little Redhead' Common name: Spigelia, Indian pink Zone: 5b-9 Sun exposure: Sun (> 6 hours sun), part sun (4-6 hours sun) Height x width: 24-28″ x 20-24″ Foliage color: Green Flower color: Red Bloom time: Late spring, early summer, midsummer Features: Wet soils, rare & unusual, rain gardens, native, heat tolerant, container plants, best for beginners Uses: Container plant, cut flower, specimen, native gardens, mixed borders How To GrowSoil: Average, well-drained soil. Prefers moist soil full of organic matter. Tolerant of wet soil. Light: Can be grown in full shade but displays best flowers under full sun to part sun. Water: Average water needs. Spacing: 2ft apart Fertilizing: No special care is required. Apply fertilizer as needed. Winterizing: No special care is needed. Maintenance & Pruning: Remove dead or damaged foliage in spring. Lightly prune after initial blooming period. Divide in spring, we do not recommend transplanting once this plant is fully established.
Your Questions About Building a Rain Garden, Answered
Rain gardens have taken the horticultural industry by storm, no pun intended. Here, Great Garden Plants answers all your questions about designing, planting, and caring for rain gardens.