Lemon Drop

Cultivar Record

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Lemon Drop

Flower colors: Yellow. Flower size: 3 1/2 inches. Fragrance: Strong Lemon. Growth habit: Compact.

Source-backedNeeds expert reviewUse with caution

Description

Lemon Drop is a plumeria cultivar originated by Elizabeth Thornton and associated with The Plumeria Society of America registration record, with source location listed as Florida, Thailand. Available flower details describe yellow flowers with a yellow center, a yellow throat, a cream reverse, and pattern notes of bicolor. Flower size is listed as 2 1/2 to 3 1/2 inches. Fragrance is described as strong lemon, with strong intensity. Growth and bloom notes describe compact growth and a good bloomer. Additional comparison details include leaf shape: elliptic and petal shape or type: elliptical. PSA registration details list number 224, status CR, registered by Elizabeth Thornton, and year 2000.

Lemon Drop plumeria photo
Photo notePlease be aware that all computer monitors may show slight differences in color.

Traits and Characteristics

Flower22 listed / 8 openListed: Primary flower colors, Flower center color, Flower throat color +19 moreNeeds: Secondary flower color, Edge color, Flower center size +5 more
Flower Color
Primary flower colorsYellow
Secondary flower color Information needed
Flower center colorYellow
Flower throat colorYellow
Edge color Information needed
Reverse colorCream
Flower Size
Flower center size Information needed
Flower throat sizeMedium
Flower Size3 1/2 inches
Flower Size Varies2 1/2-3 1/2 inches | 3 1/2-4 inches
Pattern & Color Response
Center / throat patternGradient
Flower color patternBicolor
Color behavior / fadingFlower color can change with sun exposure, heat, cool weather, bloom age, petal texture, rainfall, and region. For this record, source notes mention fading, aging, edge changes, or color shift; texture or keeping-quality notes may help explain how long color holds.
Season / temperature responseApproved photographs range from pale cream-and-yellow flowers to saturated lemon yellow. The photographs document visible variation but do not by themselves establish the environmental cause.
Sun exposure response Information needed
Bloom age response Information needed
Petal Form
Petal count Information needed
Petal shapeElliptical
Petal widthWide
Petal tipSlightly Pointed
Petal Movement & Flower Type
Petal reflexModerate
Petal twist Information needed
Petal curlRecurved
Flower type / opening formVariable Form
Petal Arrangement
Petal edgeSmooth
Petal overlapModerate
Petal spacingSlight Overlap
Petal Texture & Substance
Petal textureheavy texture
Petal surfaceSmooth
Petal substance Information needed
Bloom2 listed / 6 openListed: Blooming habit, Flower productionNeeds: Bloom frequency, Bloom season, Keeping quality +3 more
Bloom Habit & Season
Blooming habitGood Bloomer
Bloom frequency Information needed
Bloom season Information needed
Bloom Performance
Flower productionGreat Bloomer
Keeping quality Information needed
Fade tendency Information needed
Rain tolerance Information needed
Heat performance Information needed
Fragrance4 listed / 2 openListed: Fragrance present, Fragrance strength, Fragrance profile +1 moreNeeds: Fragrance timing, Fragrance notes
Presence & Strength
Fragrance presentYes
Fragrance strengthStrong
Scent Profile & Timing
Fragrance profileStrong Lemon
Fragrance familyFragrant | Citrus
Fragrance timing Information needed
Fragrance notes Information needed
Tree2 listed / 7 openListed: Growth class, Growth habitNeeds: Growth rate, Vigor, Branching +4 more
Growth
Growth classCompact | Vigorous
Growth habitCompact
Growth rate Information needed
Vigor Information needed
Form & Garden Use
Branching Information needed
Canopy density Information needed
Container suitability Information needed
Landscape suitability Information needed
Tree size / habit notes Information needed
Seed / Reproduction3 listed / 4 openListed: Seed pod behavior, Pod color, Pod shapeNeeds: Seed production, Pod reliability, Seed viability +1 more
Seed & Pod Production
Seed production Information needed
Seed pod behaviorPhoto 18266 documents a paired set of long, slender, curved green seedpods. One image does not establish pod-production frequency, seed viability, or germination rate.
Pod reliability Information needed
Pod & Seed Details
Pod colorGreen
Pod shapePaired
Seed viability Information needed
Germination rate Information needed
Propagation0 listed / 6 openNeeds: Rooting difficulty, Rooting speed, Cutting success +3 more
Cuttings & Rooting
Rooting difficulty Information needed
Rooting speed Information needed
Cutting success Information needed
Grafting & Best Method
Grafting difficulty Information needed
Graft compatibility Information needed
Best propagation method Information needed
Inflorescence6 listed / 5 openListed: Inflorescence size, Inflorescence shape, Bud color +3 moreNeeds: Inflorescence height, Inflorescence width, Stalk color +2 more
Size & Shape
Inflorescence sizeLarge
Inflorescence shapeRounded
Inflorescence height Information needed
Inflorescence width Information needed
Buds & Bloom Display
Bud colorYellow
Bud countHigh
Flowers open at onceMany
Bloom presentationOutward-Facing
Stalk Details
Stalk color Information needed
Stalk texture Information needed
Pubescence Information needed
Leaves10 listed / 8 openListed: Leaf shape, Leaf tip, Leaf color +7 moreNeeds: Leaf base, Leaf size, Leaf length +5 more
Leaf Shape & Size
Leaf shapeElliptic
Leaf base Information needed
Leaf tipAcuminate
Leaf size Information needed
Leaf length Information needed
Leaf width Information needed
Leaf Color & Veins
Leaf colorDark Green
New leaf color Information needed
Vein prominenceStrong
Midrib colorPale Green
Petiole
Petiole length Information needed
Petiole color Information needed
Leaf Surface & Edge
Leaf marginSmooth
Leaf texture Information needed
Leaf surfaceSmooth
Leaf glossSemi-Gloss
VariegationNone
Leaf notesApproved photos show broad elongated dark-green leaves with acuminate tips, a pale prominent midrib, strong lateral veins, smooth margins, and a semi-gloss upper surface. Source notes also describe bright green leaves and pubescent new growth.

These traits update from the structured cultivar record. Use them as comparison clues, not proof of identity by themselves.

Name, Parentage & Relationships4 sections
Name & AKA
Also known asThornton's Lemon Drop, Thornton Lemon Drop, Lemon Drop Thornton, Lemon Drop aka Thornton's Lemon Drop, Lemon Drop Plumeria aka Thornton's Lemon Drop, JJ Thornton Lemon Drop
Original name Information needed
Name notes Information needed
Parentage
Parentage type Information needed
Seedling of / parentage Information needed
Pod parent Information needed
Pollen parent Information needed
Parentage confidence Information needed
Origin & History
OriginatorElizabeth Thornton
Introducer Information needed
Country of originThailand
Region of originFlorida
First known year Information needed
Year named1979
PSA registration / tracking number224
PSA statusCR
Registration authorityThe Plumeria Society of America (PSA)
Registered byElizabeth Thornton
Year registered2000
Year submitted1979
PSA historical record notesElizabeth Thornton
History / Story<span class="pdb-inline-current-value">Notes: Pod Parent: Courtade Pink. Bright green leaves with pubescent new growth.<br /> <br /> Jungle Jack's source description: Stunning, large, brilliant yellow flower with a small white border. Very compact growth habit with pubescent branches. Vigorous grower and great bloomer. Does not get rust. Citrus and herbal scent. Cold resistant. Best of the Elizabeth Thornton creations. Not a Jungle Jack variety, however we decided to offer it after receiving many requests.</span> <div class="pdb-inline-tools"><details class="pdb-inline-suggest pdb-inline-login-gate"><summary>Suggest correction</summary><div class="pdb-inline-panel"><p>To suggest a change, please log in or create a contributor account. Suggestions are reviewed before they change the record.</p><p class="pdb-inline-action-row"><a href="https://plumeriadatabase.com/verifier-login/?redirect_to=https://plumeriadatabase.com/cultivars/lemon-drop/">Log in</a><a href="https://plumeriadatabase.com/create-contributor-account/?redirect_to=https://plumeriadatabase.com/cultivars/lemon-drop/">Create account</a></p></div></details></div>
Known Seedlings
Known seedlings

Identification Assistance

Source-backedNeeds expert reviewUse with caution

This record gathers comparison clues from source records and photos. A plumeria should not be positively identified from one trait or one photo alone.

How to use Identification Assistance

Collections1 listed / 1 openListed: CollectionsNeeds: Collection notes
CollectionsJungle Jack, Registered Plumeria, Thornton
Collection notes Information needed

Collections group cultivars by reference use, originator, registration, nursery source, or research purpose.

Verifier / Source StatusRecord status
Record statusSource-backed
VerificationNeeds expert review
RegistrationPSA 224
Approved public photos14
Open suggestionsReview team managed
Cultivar StoriesFuture stories

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Photo evidence

Observations for Each Photo

13 reviewed photos

Each result belongs to the photo beside it. This preserves changes caused by temperature, humidity, season, flower age, location, and growing conditions. These observations do not change the cultivar record or contributor-submitted values.

Lemon Drop plumeria photo

Thorntons-Lemon-Drop-Seedpod_6347

Seed Pod
Colors visible in this photo
Seed PodGreenStemBrown
Traits visible in this photo
Pod colorGreen Pod shapePaired Pod surfaceSmooth Pod maturityMaturing
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalYellowSecondary PetalPale creamCenterDeep golden yellowThroatGolden yellowPetal EdgeCreamy white
Traits visible in this photo
Primary flower colorYellow Secondary flower colorCream Center colorGold Throat colorGold Petal edge colorCream Petal color patternGradient Throat sizeSmall Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2009-07-06
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteThroatYellowHalo / RingPale yellowPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Throat colorYellow Halo or ring colorYellow Petal edge colorWhite Petal color patternGradient Throat sizeSmall Petal typeBroad
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalWhiteSecondary PetalYellowCenterGoldThroatYellowPetal EdgeWhite
Traits visible in this photo
Primary flower colorWhite Secondary flower colorYellow Center colorGold Throat colorYellow Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2012-06-18
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteCenterGolden yellowThroatYellowHalo / RingCreamPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorYellow Throat colorYellow Halo or ring colorCream Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeBroad
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2015-04-17
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteCenterGoldThroatYellowHalo / RingCreamPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorGold Throat colorYellow Halo or ring colorCream Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2015-05-05
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteCenterGolden yellowThroatYellowPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorYellow Throat colorYellow Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalYellowSecondary PetalCreamCenterGolden yellowThroatYellowPetal EdgeCream
Traits visible in this photo
Primary flower colorYellow Secondary flower colorCream Center colorYellow Throat colorYellow Petal edge colorCream Petal color patternGradient Throat sizeSmall Petal typeBroad
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2006-06-24
Colors visible in this photo
Primary PetalGolden yellowSecondary PetalCreamy whiteCenterWarm yellowThroatGolden yellowHalo / RingPale creamPetal EdgeCreamy white
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorYellow Throat colorYellow Halo or ring colorCream Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo 2015-07-19
Colors visible in this photo
Primary PetalYellowSecondary PetalCreamCenterYellowThroatGoldPetal EdgeCream
Traits visible in this photo
Primary flower colorYellow Secondary flower colorCream Center colorYellow Throat colorGold Petal edge colorCream Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalYellowSecondary PetalCreamCenterGolden yellowThroatYellowPetal EdgeCream
Traits visible in this photo
Primary flower colorYellow Secondary flower colorCream Center colorGold Throat colorYellow Petal edge colorCream Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteCenterYellowThroatYellowPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorYellow Throat colorYellow Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Lemon Drop plumeria photo

Lemon Drop plumeria photo

Flower Photo
Colors visible in this photo
Primary PetalYellowSecondary PetalWhiteCenterGolden yellowThroatYellowPetal EdgeWhite
Traits visible in this photo
Primary flower colorYellow Secondary flower colorWhite Center colorYellow Throat colorYellow Petal edge colorWhite Petal color patternGradient Throat sizeMedium Petal typeObovate
Important limitationPhoto-derived observations are not proof of identity. Color and form can change with temperature, humidity, light, bloom age, season, camera settings, and display settings. Compare all traits with a known live cultivar from a knowledgeable source. See the photo guide.