Alphabetical Plant Listing

Galtonia candicans (Summer Hyacinth)

Summer Hyacinth, Spire Lily, Berg Lily


Native to South Africa, Galtonia candicans (Summer Hyacinth) is a welcomed addition to the late summer garden. Fragrant, this bulbous perennial sends up spikes of charming, pendant, bell-shaped white flowers, often tinged with green, and reminiscent of gladiolus. Each spike may bear up to 30 flowers and rises elegantly atop the dark green, strap-like, fleshy foliage, at a time when many other perennials are done blooming. Its colors are at their loveliest next to blue flowering plants such as Agapanthus or the fiery scarlet red flowers of Crocosmia.

  • Awarded the prestigious Award of Garden Merit by the Royal Horticultural Society
  • Grows in clumps up to 2-4 ft tall (60-120 cm) and 2-3 ft wide (60-90 cm).
  • Easily grown in humus-rich, fertile, well-drained soils in full sun or part shade. Consistent moisture to be provided from spring to summer.
  • Stunning in beds, borders, underplanting shrubs or roses, as ground covers or in containers. Also great in floral arrangements thanks to the quality of its fresh cut flowers
  • Perfect for rock gardens, cottage gardens or city gardens.
  • Virtually pest and disease free
  • Propagate by seed, sowing them in containers in a cold frame when ripe or remove offsets in early spring
  • If you live in a cool area (hardiness 6 and below) and you want to save your bulbs for next spring, you may dig them up before the first frost and store them over winter before replanting them next spring.

Learn How To Plant And Care for Your Spring Flower Bulbs

 To achieve optimum flowering results, it is important to plant the bulbs at the right time.

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Requirements

Hardiness 7 – 10
Heat Zones 7 – 10
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1
Plant Type Bulbs, Perennials
Exposure Full Sun
Season of Interest Summer (Late)
Height 2' – 4' (60cm – 120cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 6" – 12" (15cm – 30cm)
Depth 5" – 6" (12cm – 15cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Plant of Merit, Showy
Garden Uses Banks and Slopes, Beds and Borders, Edging, Ground Covers, Patio and Containers, Underplanting Roses and Shrubs
Garden Styles City and Courtyard, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden

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While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 7 – 10
Heat Zones 7 – 10
Climate Zones 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1
Plant Type Bulbs, Perennials
Exposure Full Sun
Season of Interest Summer (Late)
Height 2' – 4' (60cm – 120cm)
Spread 2' – 3' (60cm – 90cm)
Spacing 6" – 12" (15cm – 30cm)
Depth 5" – 6" (12cm – 15cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Plant of Merit, Showy
Garden Uses Banks and Slopes, Beds and Borders, Edging, Ground Covers, Patio and Containers, Underplanting Roses and Shrubs
Garden Styles City and Courtyard, Gravel and Rock Garden, Informal and Cottage, Mediterranean Garden

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Galtonia candicans (Summer Hyacinth)

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