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Bitter aloe
Also known as: Red aloe, Ferocious aloe, South African aloe
Bitter aloe is a popular medicinal plant in Southern Africa. It is also known to attract birds to the garden with its vibrant orange flowers.
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Perennial
Lifespan
Succulent
Plant Type
Spring, Summer, Late fall, Winter
Bloom Time
3 m
Plant Height
75 cm
Spread
Green, Blue
Leaf Color
2.5 cm to 5 cm
Flower Size
Orange, Red
Flower Color
Green, Blue
Stem Color
Evergreen
Leaf type
20 - 38 ℃
Ideal Temperature

Distribution of Bitter aloe

Distribution Map
Bitter aloe is native to the southern part of the African continent, thriving particularly in regions with a Mediterranean climate. Beyond its native range, bitter aloe has been introduced and is now cultivated in various areas, notably within continents such as Europe and Oceania. The role of bitter aloe as a cultivated plant highlights its adaptability and widespread horticultural appreciation.
Native
Cultivated
Invasive
Introduced
No species reported
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Quickly Identify Bitter aloe

1
Tall single stem reaching 6-9+ feet (1.8-2.7+ meters).
2
Rosette of blue-green leaves, 2-3 feet (60-90 cm) long with reddish spines along margins.
3
Distinctive 'petticoat' formed by desiccated older leaves around the stem.
4
Dark orange flowers with inner white petals on large branched inflorescence.
5
Thrives in full sunlight, tolerates very dry conditions with minimal to regular watering.
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Care Guide for Bitter aloe

Every 3 weeks
Water
Full sun
Sunlight
20 - 38 ℃
Ideal Temperature
Succulent & Cactus Soil
Soil Type
Water: Originating from arid regions, bitter aloe exhibits high drought tolerance and thrives with minimal watering, only requiring it every three weeks. As an outdoor plant in warm climates, it benefits from occasional rain which helps flush soil salts and enhances hydration during its growing season.
Fertilize: Fertilize bitter aloe with a balanced, water-soluble fertilizer every 4-6 weeks during spring and summer. Use a quarter-strength solution to avoid root burn. Limit fertilization in fall and winter when dormant. Wear gloves for safety, and ensure proper soil penetration for effectiveness.
Pruning: For bitter aloe, pruning is not typically required. Remove spent flower stalks or dead leaves, especially those that have turned orange or brown, to improve nutrient distribution. Use a knife for smaller plants and pruning shears for larger ones to maintain health.
Propagation: Bitter aloe thrives in various conditions and is best propagated by sowing seeds in well-draining soil. Place seeds on the surface, provide ample indirect light, and water sparingly to prevent overwatering. With care, young plants can be transplanted into pots or gardens.
Repotting: Bitter aloe is a succulent that grows 2-3 feet tall and should be repotted every 2 years in early spring. Use a slightly larger, well-draining pot and soil. Water sparingly post-repotting to avoid root rot, ensuring attentive care for successful growth.
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