King protea (Protea cynaroides) is a conservatory or greenhouse grown type of plant that can grow 50cm – 1.5m tall and 50cm – 1.5m wide.
This plant has several common names including: king protea or Cape artichoke flower.
This is a evergreen plant that takes 5-10 years to reach full maturity.
Plant profile
Common name: king protea, Cape artichoke flower
Scientific name: Protea cynaroides
Plant type: Conservatory & Greenhouse, Shrubs
Habit: Bushy
Height: 50cm – 1.5m
Spread: 50cm – 1.5m
Foliage: Evergreen
Sunlight: Full Sun
Soil: Loam, Sand
Moisture: Well drained
Garden type: Architectural, City & Courtyard Gardens, Mediterranean Garden, Patio & Container Garden
Planting type: Cut Flowers, Wall-side Borders
Other characteristics: Drought resistant
Seasonal colors
| Season | Stem | Foliage | Flower | Fruit |
|---|---|---|---|---|
| Spring | ||||
| Summer | ||||
| Autumn | ||||
| Winter |

How to plant King protea (Protea cynaroides) – Greenplanet.co.za, CC BY-SA 3.0, via Wikimedia Commons

Cultivation profiles – Growing King protea (Protea cynaroides) – © Pierre André, CC BY-SA 4.0, via Wikimedia Commons



