Golden Saguaro

The Golden Saguaro, scientifically known as Carnegiea gigantea 'Aurea', is a rare, naturally occurring color variant of the iconic Saguaro cactus. Native to the Sonoran Desert of Arizona and parts of Mexico, this cactus is renowned for its striking golden or yellowish spines, in contrast to the typical white or gray spines of the common Saguaro.

In its natural habitat, the Golden Saguaro can reach towering heights of 15 to 50 feet, growing at a slow rate over many years. It features a tall, columnar trunk with branching arms that may develop as the cactus matures. The body of the cactus is ribbed, allowing for expansion and contraction as water is absorbed and used.

The most notable feature of the Golden Saguaro is its bright golden or yellowish spines, which cover the ribs and provide the cactus with a glowing appearance, especially when backlit by the sun.

Like its common counterpart, the Golden Saguaro blooms with large, white or cream flowers that open at night and close by the next midday. These blooms usually appear in late spring and early summer and are pollinated primarily by bats. The flowers are followed by red, fleshy fruits that are edible and have been traditionally harvested by indigenous peoples.

The Golden Saguaro requires full sun and well-drained soil. It is adapted to the hot, dry conditions of the desert and is extremely drought-tolerant. Due to its slow growth rate and large mature size, it is often a centerpiece in desert landscapes and large open spaces.

In cultivation outside its native range, the Golden Saguaro is a prized specimen for its unique coloration and majestic presence. It is used in landscaping as a focal point or as part of a cactus and succulent collection. This cactus is best suited for large, open areas where it can grow without constraints and is often seen as a symbol of the American Southwest.

Overall, the Golden Saguaro is a magnificent and rare plant, valued for its striking appearance, cultural significance, and adaptability to harsh desert environments. It adds a unique and majestic element to any landscape where it can be accommodated.

Three Timbers Installation Guide (Feel Free to Follow): Golden Saguaro

Planting Guide:

• Location: Full sun (at least 6 hours of direct sunlight daily for optimal growth)
• Soil: Well-drained, sandy or rocky soil (slightly acidic to neutral soil preferred)
• Spacing: Space plants 5-6 feet apart to allow for their growth and spread
• Planting Depth: Plant at the same depth as the root ball, ensuring the top of the root ball is level with the surrounding soil surface
• Support: Golden Saguaro requires no staking and grows in a tall, columnar form with a prominent trunk and spines

Watering Guide:

Watering After Planting:

• Initial Watering: Water thoroughly immediately after planting to saturate the root ball and surrounding soil
• Frequency: Water every 4-5 days for the first 2-3 weeks to help establish the root system
• Watering Amount: Provide 1-2 inches of water per session to ensure deep watering

When is the Plant Established?

• Timeframe: Golden Saguaro is considered established after 4-6 months when the roots have spread into the surrounding soil

Watering Once Established:

• Summer: Water every 14-21 days during the hotter months. If temperatures exceed 100°F, increase watering to every 10-14 days. Provide 2-3 inches of water per session.
• Winter: Water every 4-6 weeks during the cooler months, depending on rainfall.

Drip Irrigation Setup:

• Placement of Emitters: Place the drip emitters 18-24 inches away from the base of the cactus to ensure deep watering
• Flow Rate: Use emitters with a flow rate of 1-2 gallons per hour
• Number of Emitters: 1 emitter per plant for even watering distribution
• Adjusting Frequency: In summer, increase watering to every 10-14 days. In winter, reduce to every 4-6 weeks