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Callistemon rigidus (Stiff Bottlebrush)

Stiff Bottlebrush

Callistemon rigidus, Stiff Bottlebrush,  Mediterranean shrubs, Evergreen Shrubs, Red flowers,  drought tolerant flowers
Callistemon rigidus, Stiff Bottlebrush,  Mediterranean shrubs, Evergreen Shrubs, Red flowers,  drought tolerant flowers

Callistemon rigidus (Stiff Bottlebrush) is a bushy, upright, evergreen shrub with slightly arching branches clothed with long, narrow, sharply pointed, dark green leaves, 6 in. long (15 cm). The leaves are fragrant when bruised. Dense spikes of bright deep red flowers, 4 in. long (10 cm) bloom in late spring and early summer. They will bloom intermittently throughout the year in frost-free areas. The blooms are a copious source of nectar for birds and hummingbirds. They are followed by prominent, button-like, seed capsules. An eye-catching specimen for a sunny shrub border.

  • Grows up to 10-20 ft. tall (3-6 m) and 10 ft. wide (3 m). Will grow to 20 ft. tall (6 m) in its native habitat. In northern climates, it is typically grown as a 3-5 ft. tall shrub or standard (90-150 cm).
  • Easily grown in acidic, moist, well-drained soils in full sun to light shade. Grow in a sheltered position. Drought tolerant but performs best with regular irrigation.
  • Great for foundations, wall-side borders, Mediterranean gardens, or coastal gardens.
  • Virtually disease-free and pest-free. Watch for glasshouse red spider mite, mealybugs and scale insects when grown under glass. Deer resistant.
  • Prune immediately after flowering.
  • Propagate by seed or from semi-hardwood cuttings.
  • Native to Australia

Requirements

Hardiness 10 - 11
Heat Zones 10 - 11
Climate Zones 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Shrubs
Plant Family Myrtaceae
Genus Callistemon
Common names Bottlebrush
Exposure Full Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 3' - 20'
(90cm - 6.1m)
Spread 3' - 10'
(90cm - 3m)
Spacing 120" (3m)
Maintenance Low
Water Needs Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy, Evergreen
Native Plants Australia
Tolerance Drought, Deer
Attracts Birds, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Mediterranean Garden
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Alternative Plants to Consider

Callistemon pallidus (Lemon Bottlebrush)
Callistemon citrinus (Crimson Bottlebrush)
Callistemon viminalis (Weeping Bottlebrush)
Callistemon salignus (White Bottlebrush)
Callistemon sieberi (Alpine Bottlebrush)
Callistemon citrinus ‘Mauve Mist’ (Crimson Bottlebrush)

Recommended Companion Plants

Kalanchoe luciae (Paddle Plant)
Crassula capitella ‘Campfire’
Agave ‘Blue Flame’
Cerastium tomentosum (Snow in Summer)
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.
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Requirements

Hardiness 10 - 11
Heat Zones 10 - 11
Climate Zones 8, 9, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, H1, H2
Plant Type Shrubs
Plant Family Myrtaceae
Genus Callistemon
Common names Bottlebrush
Exposure Full Sun
Season of Interest Spring (Early, Mid, Late)
Summer (Early, Mid, Late)
Fall
Winter
Height 3' - 20'
(90cm - 6.1m)
Spread 3' - 10'
(90cm - 3m)
Spacing 120" (3m)
Maintenance Low
Water Needs Average
Soil Type Clay, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Showy, Evergreen
Native Plants Australia
Tolerance Drought, Deer
Attracts Birds, Butterflies, Hummingbirds
Garden Uses Beds And Borders, Wall-Side Borders
Garden Styles City and Courtyard, Coastal Garden, Mediterranean Garden
How Many Plants
Do I Need?
Not sure which Callistemon to pick?
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