General Plant Information (Edit)
Plant Habit: Tree
Cactus/Succulent
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F)
Plant Height: 10 feet
Plant Spread: 8 feet
Leaves: Malodorous
Flowers: Showy
Flower Color: Yellow
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Fall
Suitable Locations: Xeriscapic
Uses: Shade Tree
Flowering Tree
Propagation: Seeds: Other info: seeds have vicious barbs - be careful when handling!
Propagation: Other methods: Cuttings: Stem
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots

Image
Common names
  • Mouse Trap Tree
  • Succulent Sesame
  • Unicorn Tree

Photo Gallery
Location: Southwest Florida
Date: January 2013
Location: Nationale Plantentuin Meise (Brussels)
Location: NYBG 
Date: June 14 22
Photo by Ursula
Location: my house
Date: October 3. 2020
these are the sharp hooks on seed pod
Location: Meise botanical garden
Location: Bradenton, Florida
Date: 2014-05-28
Location: Southwest Florida
Date: April 2012
just leafing out (and about to be covered in blooms)
Location: my house
Date: October 3. 2020
seed pod showing sharp hooks
Location: Nationale Plantentuin Meise (Brussels)
Location: Nationale Plantentuin Meise (Brussels)
Location: Orlando, Central Florida, zone 9b
Date: 2012-02-05
young leaves of Uncarina grandidieri
Location: Los Angeles Arboretum, Arcadia, California
Date: 2012-05-12
Location: Sarasota, FL
Date: 2017-03-16
At Selby Gardens
Photo by Ursula
Location: Sarasota, FL
Date: 2017-03-16
At Selby Gardens
Location: Southwest Florida
Date: fall 2011
The fuzzy leaves of this plant have a very peculiar odor.
Location: Atlanta BG
Date: Aug 16
Location: Southeast Florida
Date: June 2015
Location: Nationale Plantentuin Meise (Brussels)

Date: 4000-07-24
Location: Meise botanical garden
Location: Meise botanical garden
Location: Meise botanical garden
Location: Southwest Florida
Date: summer 2008
a fantastic plant!
Location: NYBG 
Date: 2022-06-14
Location: Sarasota, FL
Date: 2017-03-16
At Selby Gardens
Location: Holmes Beach FL
Date: 2015-04-06
Location: Orlando, Central Florida, zone 9b
Date: 2012-02-05
Mouse Trap Tree caudiciform base
Discussion Threads about this plant
Thread Title Last Reply Replies
Uncarina grandidieri by valleylynn Jul 8, 2022 2:15 PM 12

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