Alphabetical Plant Listing

Magnolia 'Spectrum'


A sister seedling of Magnolia 'Galaxy', award-winning Magnolia 'Spectrum' is a small to medium-sized conical tree adorned with a profusion of huge, tulip-shaped, dark pink flowers in mid to late spring. Opening from rich, purple-pink buds, the slightly fragrant flowers, 10-12 in. across (25-30 cm), count up to 12 tepals, deep reddish-purple outside, pinkish white within. Since they bloom late enough, they usually escape the frost damage of early spring. 'Spectrum' is a multi-stemmed, upright, oval to rounded tree becoming broadly pyramidal as it matures, with a lovely canopy of oval, dark green leaves.

Magnolia 'Spectrum' is the result of a cross between Magnolia liliiflora and Magnolia sprengeri 'Diva'. It is ideal for small gardens.

  • Grows up to 25 ft. tall and wide (8 m)
  • Winner of the prestigious Award of Garden Merit of the Royal Horticultural Society.
  • A full sun to part shade lover, this plant is best grown in consistently moist, slightly acidic, organically rich, well-drained soils. Neutral to slightly alkaline soils are also suitable for growth. Magnolias are adaptable to clay, loam or sandy soils, but most grow poorly in wet or poorly drained soils. Provide a site sheltered from cold, dry winds as buds and flowers may be damaged by cold winds. Late frosts may damage flower buds too.
  • May be attacked by capsid bug, snails, horse chestnut scale, coral spot, gray mould, honey fungus.
  • Spectacular as specimen plant for dramatic spring blooms. Great flowering tree for city gardens or cottage gardens.
  • Magnolia pruning should be carried out in midsummer when in full leaf
  • Deciduous Magnolias are best planted when dormant, in late fall or winter in warmer climates and early spring in cold climates. Evergreen magnolias are best planted in early spring. For the first 6 to 12 months after planting, both types will benefit from mulch and regular irrigation during warm or dry weather.
  • Propagate by softwood cuttings in early summer or semi-ripe cuttings in late summer

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Requirements

Hardiness 6 – 9
Heat Zones 6 – 9
Climate Zones 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Trees
Plant Family Magnolias
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Height 20' – 25' (6m – 7.5m)
Spread 20' – 25' (6m – 7.5m)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Plant of Merit, Showy
Attracts Birds, Butterflies
Garden Uses Beds and Borders, Small Gardens, Wall-Side Borders
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

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© Martin Ogden /www.teddingtongardener.com

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 6 – 9
Heat Zones 6 – 9
Climate Zones 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Trees
Plant Family Magnolias
Exposure Full Sun, Partial Sun
Season of Interest Spring (Mid,Late)
Height 20' – 25' (6m – 7.5m)
Spread 20' – 25' (6m – 7.5m)
Water Needs Average
Maintenance Low
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Fragrant, Plant of Merit, Showy
Attracts Birds, Butterflies
Garden Uses Beds and Borders, Small Gardens, Wall-Side Borders
Garden Styles City and Courtyard, Informal and Cottage, Traditional Garden

Great Plant Combination Ideas with Magnolias

Guides with Magnolias

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Magnolia 'Spectrum'

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