CSLB C-27 Landscaping ContractorPlanting and LandscapingMedium
A landscape contractor is planning a new planting for a client's property in a USDA Zone 9b climate. The client desires a vibrant, fast-growing vine to cover an arbor quickly, but also wants it to be drought-tolerant once established. Which of the following plants would be the MOST appropriate choice?
- AParthenocissus tricuspidata (Boston Ivy)
- BBougainvillea spectabilis (Bougainvillea)
- CCampsis radicans (Trumpet Vine)
- DWisteria sinensis (Chinese Wisteria)
Show answer & explanationAnswer & explanation
Correct answer: B. Bougainvillea spectabilis (Bougainvillea)
Bougainvillea is an excellent choice for USDA Zone 9b due to its vibrant flowers, rapid growth, and remarkable drought tolerance once established, making it ideal for quickly covering an arbor in a warm climate.
Why the other options are wrong
- A. Boston Ivy is fast-growing and can be drought-tolerant but lacks the vibrant flower display requested and is more known for its foliage.
- C. Trumpet Vine is fast-growing but can be very aggressive and is not as drought-tolerant as Bougainvillea, often requiring more consistent moisture.
- D. While fast-growing and vibrant, Chinese Wisteria is not as drought-tolerant as Bougainvillea and can become invasive.
Drought-Tolerant Vine Selection
Choosing vigorous, flowering vines that can thrive with minimal water once established, suitable for warm climates and providing quick coverage.
- Bougainvillea is a popular choice for vibrant, drought-tolerant coverage in warm climates.
- Consider mature size, attachment method, and desired aesthetic when selecting vines.
- Ensure selected plants are appropriate for the specific USDA hardiness zone.
Memory trick: Bougainvillea's BOLD blooms BEAT the heat.