Common Name: mother-of-millions
Family: Crassulaceae
Common Synonyms: Bryophyllum x houghtonii
USDA Hardiness Zone: 10a-11b
Growth Habit: Succulent
Origin: Cultivated hybrid of two parent species from Madagascar
FISC Category: -
FDACS Listed Noxious Weed: No
Introduction Date: This hybrid was first created in the 1930s in California, but the earliest specimen record in Florida is 1980
IFAS Assessment:
Kalanchoe × houghtonii is a monocarpic succulent with an erect, unbranched stem and boat-shaped leaves with serrated margins and plantlets produced at the margins. The stem grows up to 30 inches (75 cm) tall. Leaves are juicy, emerald green to brownish-green, usually with purple splotches beneath. Fowers are red, orange, or yellow-pink, drooping, and up to 1.2 inches (3 cm) long.
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Both parent species of this hybrid were assessed by IFAS and K. delagoensis is considered invasive in South Florida.
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World of Succulents. 2022. Kalanchoe houstonii. https://worldofsucculents.com/kalanchoe-x-houghtonii-mother-of-millions-hybrid/ Accessed on April 3, 2022.
IFAS, UF. 2017. Assessment of Non-Native Plants in Florida's Natural Areas. Kalanchoe delagoensis. https://assessment.ifas.ufl.edu/assessments/kalanchoe-delagoensis/ Accessed April 3, 2022.
Wunderlin, R. P., and B. F. Hansen. 2008. Atlas of Florida Vascular Plants (http://florida.plantatlas.usf.edu/).[S. M. Landry and K. N. Campbell (application development), Florida Center for Community Design and Research.] Institute for Systematic Botany, University of South Florida, Tampa.