Giant Aldama

(Aldama excelsa)

Giant Aldama (Aldama excelsa)

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Climate Requirements

Precipitation 22" - 40"
High Temp. 75°F - 90°F
Low Temp. 37°F - 46°F

Summary

Aldama excelsa, commonly known as Giant Aldama, is a perennial shrub native to Mexico. It can grow to a typical height of 6-10 feet (1.8-3 meters) and a width of 3-6 feet (0.9-1.8 meters). Aldama excelsa has a bushy form with large, showy, yellow flowers that bloom profusely in the spring and summer, attracting pollinators such as bees and butterflies.

Giant Aldama is valued for its vibrant floral display and can serve as an ornamental focal point in tropical and subtropical gardens. It is used in border planting, as a specimen plant, or for creating a natural screen. This shrub thrives in full sun and requires medium amounts of water, making it relatively drought-tolerant once established. It prefers well-draining loam or clay soils and is generally low-maintenance, though it may require occasional pruning to maintain its shape. While not commonly reported to have significant disease issues, it can be susceptible to pests like aphids and whiteflies.CC BY-SA 4.0

Plant Description

  • Plant Type: Shrub
  • Height: 6-10 feet
  • Width: 4-6 feet
  • Growth Rate: Moderate
  • Flower Color: Yellow
  • Flowering Season: Spring, Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Full Sun
  • Drainage: Medium

Common Uses

Bee Garden, Butterfly Garden, Showy Flowers

Natural Habitat

Open woodlands and savannas

Other Names

Common Names:

Scientific Names: Aldama excelsa, Helianthus excelsus, Helianthus giganteus, Helianthus trinervis, Tithonia excelsa, Viguiera excelsa, Viguiera excelsa, Viguiera excelsa var. dilatatifolia, Viguiera excelsa var. genuina, Viguiera excelsa var. megacephala, Viguiera magnicapitata

GBIF Accepted Name: Aldama excelsa