Protea cynaroides
King Protea
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King Protea (Protea cynaroides) - Description
The King Protea is known for its very large bowl-shaped inflorescences of flowers that appear in late spring through summer. It is a shrubby plant with lots of branches that will spread to around 6'.
King Protea (Protea cynaroides) - Blooming
Blooms clusters of small flowers that look like one single, large flower.
King Protea (Protea cynaroides) - Growth
Grows best in full sun, or full light. Where Protea is not growing hardy, raise plants in a cool, well-ventilated greenhouse. In warmer regions, grow Protea in a mixed or shrub border. Larger species work great as specimen plants.
King Protea (Protea cynaroides) - Planting
When ripe, or in spring, sow seeds at 55-64ºF (13-18ºC). Can also propagate from semi-ripe cuttings in summer.
King Protea (Protea cynaroides) - Pest
Susceptible to magnesium deficiency, blight, and dieback. Dieback is usually an indication that the growing medium is too rich.
King Protea (Protea cynaroides) - Interesting facts
There are around 115 known species in the genus Protea, native to rocky hillsides and dry scrub from tropical Africa to South Africa.
King Protea (Protea cynaroides) - Soil and irrigation
Grows best in poor, well-draining soil, neutral to acidic. A mix of 1 part loam with added charcoal and 3 parts equal grit (or perlite) and peat, work fine for indoor plants. Water moderately in spring and summer, sparingly in winter.
