The King Sago (Cycas revoluta) is a popular ornamental plant, though it is technically not a true palm but a type of cycad. Here’s more about this ancient plant:

1. Color:
Foliage: Dark green, stiff, feather-like leaves that grow in a rosette pattern.
Trunk: Brown, rough, and typically resembles a palm tree’s trunk.
Cones: Male plants produce a large yellowish cone, while female plants develop a globe-shaped structure at the center.
2. Climate:
Preferred Climate: Subtropical and tropical. It prefers warm, humid environments but can tolerate a wide range of conditions.
Temperature: Ideal temperature range is 65-85°F, though it can survive short periods of frost (as low as 15-20°F).
3. Size:
Height: Grows slowly and typically reaches 3-10 feet tall in garden settings, but it can get taller in ideal conditions.
Spread: Can have a spread of 6-8 feet, with its leaves arching outwards in a symmetrical pattern.
4. Care:
Soil: Prefers well-draining soil with a slightly acidic to neutral pH.
Watering: Drought-tolerant once established, but prefers regular watering with time for the soil to dry between waterings. Overwatering can cause root rot.
Sun Exposure: Full sun to partial shade. It grows best in bright, indirect sunlight or part shade in very hot climates.
Pruning: Dead or yellowing fronds should be pruned to maintain its appearance.
Fertilizing: Fertilize with a slow-release, palm or cycad fertilizer during the growing season.
5. USDA Zones:
Best suited for zones 8-11. It can tolerate light frost, but it’s recommended to protect it in colder climates.
6. Landscaping:
Used in tropical, desert, or Mediterranean-themed landscapes due to its ancient, architectural look.
Ideal for containers, rock gardens, and poolside plantings.
Works well as a specimen plant or accent in larger garden beds.
7. Additional Info:
Toxicity: All parts of the King Sago, especially the seeds, are toxic to pets and humans if ingested.
Slow Growth: It is a very slow-growing plant, often taking many years to reach full size.
Pest/Disease Resistance: Generally pest-free, but may be susceptible to scale or mealybugs.
The King Sago is highly valued for its symmetrical, exotic look and low-maintenance care. However, its slow growth and toxicity should be considered when adding it to your garden.