Siam Ruby Plumeria

Plumeria 'Siam Ruby'

Plumeria 'Siam Ruby', also known as Tubtim Sayam and Chiang Rai Red, is a striking Thai variety admired for its vibrant red blooms, velvety appearance, and strong gardenia fragrance. With its ability to produce large flower clusters and its compact growth habit, this cultivar is a standout in any Plumeria collection.

The flowers of 'Siam Ruby' measure 3 to 3.5 inches in diameter and open to a deeply saturated bright red with a subtle gold center. The velvety, matte appearance gives the blooms a flocked effect that makes them especially eye-catching. As the flowers age, they transition to a softer pink, adding dynamic beauty throughout their lifespan. A dark red line runs along the center of each petal, which slightly curls upward, enhancing the flower's distinctive look. The blooms are known for their radiant glow, even in cool or overcast weather.

'Siam Ruby' is a medium-sized, compact tree that produces huge clusters of blooms, making it a prolific and visually impactful variety. Its sweet and strong gardenia fragrance further elevates its appeal, making it a recommended choice for those who prize fragrant Plumerias. Compared to its relative 'Siam Red', 'Siam Ruby' has less yellow in the throat and is a more reliable bloomer, making it a preferred option for gardeners seeking consistent performance.

In summary, Plumeria 'Siam Ruby' is a vibrant and fragrant variety with glowing red blooms, a gardenia scent, and a compact growth habit. Its dynamic coloration and strong blooming capacity make it a treasured addition to any tropical garden.

Color: Bright red with a gold center, aging to pink
Flower Size: 3–3.5 inches
Blooming: Produces huge clusters
Growth: Compact, medium-sized tree
Scent: Strong gardenia fragrance
AKAs: Tubtim Sayam, Chiang Rai Red
Notes: Colors glow even in overcast weather; better bloomer than 'Siam Red'