Kalanchoe x houghtonii

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:

• North: Not Assessed
• Central: Not Assessed
• South: Not Assessed

Description

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.

Habitat

NA

Comments

Both parent species of this hybrid were assessed by IFAS and K. delagoensis is considered invasive in South Florida.

Control Methods

• Manual: NA
• Chemical: NA
• Biological: NA

Control Notes

NA

References

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.