Siam Ruby
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Siam Ruby
Siam Ruby record summary: flower color: Pink, Red, Orange; center: Red; fragrance: Strong | Coconut; growth habit: Compact | Medium.
Description
Siam Ruby is a plumeria cultivar connected with Thailand. Reported flower colors include pink, red, orange; with a red; fragrance is reported as strong | coconut; growth habit is reported as compact | medium. Details should be treated as source-backed clues until verifier review is complete.

AKA / Name Notes
| Also known as | Tubtim Sayam | Chiang Rai Red | Tubtim Sayam. Chiang Rai Red | Coconut Scent | Chiang Rai Red Notes: Colors Glow Even In Overcast Weather | Better Bloomer Than 'Siam Red' View All Close | A | Tubtim Sayam. Thailand. Huge Clusters Of 3 | Ruby Red. Bright Silky Red 2.5 | Ruby Red | Chiangrai Red | Tubtim Sayam | Tubtim Sayam AKA Siam Ruby. |
|---|---|
| Original name | Needs original name review |
| Name status | Named cultivar |
Traits and Characteristics
Flower
| Primary flower colors | Pink, Red, Orange |
|---|---|
| Secondary flower color | Needs secondary flower color review |
| Flower center color | Red |
| Edge color | Needs edge color review |
| Reverse color | Needs reverse color review |
| Center / throat pattern | Needs center / throat pattern review |
| Flower size | Needs flower size review |
| Typical Flower Size Range | Needs typical flower size range review |
| Flower color pattern | Needs flower color pattern review |
| Color behavior / fading | Needs color behavior / fading review |
| Season / temperature response | Needs season / temperature response review |
| Sun exposure response | Needs sun exposure response review |
| Bloom age response | Needs bloom age response review |
Fragrance
| Fragrance present | Needs fragrance present review |
|---|---|
| Fragrance profile | Strong | Coconut |
| Fragrance strength | Needs fragrance strength review |
| Fragrance family | Strong | Coconut |
| Fragrance timing | Needs fragrance timing review |
| Fragrance notes | Needs fragrance notes review |
Tree
| Growth class | Compact | Medium |
|---|---|
| Growth habit | Compact | Medium |
| Growth rate | Needs growth rate review |
| Vigor | Needs vigor review |
| Branching | Needs branching review |
| Canopy density | Needs canopy density review |
| Container suitability | Needs container suitability review |
| Landscape suitability | Needs landscape suitability review |
| Tree size / habit notes | Needs tree size / habit notes review |
Bloom
| Blooming habit | Needs blooming habit review |
|---|---|
| Bloom frequency | Needs bloom frequency review |
| Bloom season | Needs bloom season review |
| Flower production | Needs flower production review |
| Keeping quality | Needs keeping quality review |
| Fade tendency | Needs fade tendency review |
| Rain tolerance | Needs rain tolerance review |
| Heat performance | Needs heat performance review |
Seed / Reproduction
| Seed production | Yes |
|---|---|
| Seed pod behavior | Sets seeds: Yes |
| Pod reliability | Needs pod reliability review |
| Pod color | Needs pod color review |
| Pod shape | Needs pod shape review |
| Seed viability | Needs seed viability review |
| Germination rate | Needs germination rate review |
Propagation
| Rooting difficulty | Needs rooting difficulty review |
|---|---|
| Rooting speed | Needs rooting speed review |
| Cutting success | Needs cutting success review |
| Grafting difficulty | Needs grafting difficulty review |
| Graft compatibility | Needs graft compatibility review |
| Best propagation method | Needs best propagation method review |
Petal Shape / Type
| Petal count | Needs petal count review |
|---|---|
| Petal shape | Needs petal shape review |
| Petal width | Needs petal width review |
| Petal tip | Needs petal tip review |
| Petal reflex | Needs petal reflex review |
| Petal twist | Needs petal twist review |
| Petal curl | Needs petal curl review |
| Flower type | Needs flower type review |
Petal Surface / Color Behavior
| Petal edge | Needs petal edge review |
|---|---|
| Petal overlap | Needs petal overlap review |
| Petal spacing | Needs petal spacing review |
| Petal texture | Needs petal texture review |
| Petal surface | Needs petal surface review |
| Substance | Needs substance review |
Inflorescence
| Inflorescence size | Needs inflorescence size review |
|---|---|
| Inflorescence height | Needs inflorescence height review |
| Inflorescence width | Needs inflorescence width review |
| Bud count | Needs bud count review |
| Flowers open at once | Needs flowers open at once review |
| Bloom presentation | Needs bloom presentation review |
| Stalk color | Needs stalk color review |
| Stalk texture | Needs stalk texture review |
Leaves
| Leaf shape | Needs leaf shape review |
|---|---|
| Leaf base | Needs leaf base review |
| Leaf tip | Needs leaf tip review |
| Leaf size | Needs leaf size review |
| Leaf length | Needs leaf length review |
| Leaf width | Needs leaf width review |
| Leaf color | Needs leaf color review |
| New leaf color | Needs new leaf color review |
| Vein prominence | Needs vein prominence review |
| Midrib color | Needs midrib color review |
| Petiole length | Needs petiole length review |
| Petiole color | Needs petiole color review |
| Leaf margin | Needs leaf margin review |
| Leaf texture | Needs leaf texture review |
| Leaf surface | Needs leaf surface review |
| Leaf gloss | Needs leaf gloss review |
| Variegation | Needs variegation review |
| Leaf notes | Needs leaf notes review |
These traits are displayed as a complete checklist. Filled values are comparison clues; missing values remain visible so visitors can suggest additions for verifier review.
Identification Assistance
This record gathers comparison clues from source records and photos. A plumeria cannot be positively identified from a few traits or one photo.
Parentage
| Seedling of / parentage | Needs seedling of / parentage review |
|---|---|
| Pod / seed parent | Needs pod / seed parent review |
| Pollen parent | Needs pollen parent review |
Parentage details describe reported seedling, pod parent, and pollen parent relationships. Treat them as research notes until source-backed.
Origin & History
| Originator | Needs originator review |
|---|---|
| Introducer | Needs introducer review |
| Origin or source | Thailand |
| Region of origin | Needs region of origin review |
| Country of origin | Thailand |
| First known / first bloom year | Needs first known / first bloom year review |
| Year submitted | Needs year submitted review |
| PSA Registration number | Needs psa registration number review |
| History notes | 2 ½” bright red to orange-red flowers, coconut scent, compact grower | Siam Ruby aka Tubtim Sayam. Chiang Rai Red. Thailand. Huge clusters of 3"-3 1/2" bright red with gold center on a medium tree. Opens to really saturated color that almost looks flocked. Deep velvety matte in appearance. Ages to a larger pink flower. The colors seem to glow even in cool overcast weather. One dark red line on the petal, petal slightly curl upward, gardenia scent. Medium tree. Recommended for fragrance. Siam Ruby with less yellow in throat than Siam Red. Very sweet strong fragrance. Better bloomer than Siam Red ^Color: Bright Red ^3"-3 1/2" ^Blooming: Huge clusters ^Growth: Compact ^Scent: Gardenia ^AKAs: Tubtim Sayam. Chiang Rai Red ^Notes: The colors seem to glow even in cool overcast weather ; bright red to orange/red flowers, coconut scent, compact grower; 2 ½” bright red to orange-red flowers, coconut scent, compact grower; Siam Ruby aka Tubtim Sayam. Chiang Rai Red. Thailand. Huge clusters of 2 ½-3” bright red on a medium tree. Opens to really saturated color that almost looks. |
Origin, source, registration, and historical details help document the cultivar record. These notes should be verified against trusted sources.
Known Seedlings
Seedling names link to cultivar records when the record exists. Use Add or connect a seedling to suggest a missing seedling, connect an existing record, or correct the relationship.
Review Notes
Photo reference
Approved Cultivar Photos
Filter photos by what they document, or submit a missing view for review.
Flower
3 approved photos

Photo by: FLETCHER NORWOOD 2018
Date: 2020-04-04
Region: Needs location review

Photo by: Needs credit review
Date: 2009-07-27
Region: Needs location review

Photo by: Tex Norwood
Date: 2019-03-03
Region: Needs location review
