Gerrardanthus macrorhizus (Bigfoot)
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Gerrardanthus macrorhizus Harv. ex Benth. & Hook.f.
Gerrardanthus macrorhiza, Gerrardanthus megarhizus, Gerrardanthus portentosa
Gerrardanthus macrorhizus is a perennial climber with succulent, pumpkin-like caudex up to 16 inches (40 cm) in diameter. The leaves are up to 4 inches (10 cm) long, up to 4.8 inches (12 cm) wide, smooth, alternate, ivy-shaped, dark-green, shiny and prominently veined. The flowers are small, orchid-like and dark brownish-yellow in color. There are male and female plants.
USDA hardiness zones 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).
How to Grow and Care
Young plants make interesting hanging basket subjects. They are relatively easy to grow and develop rapidly a nice caudex, provided that they get abundant water and fertilizer in summer and a pot large enough. It is also good in rock and succulent gardens, especially at the back edge climbing a fence or wall or even a trellis or arbor.
The vine can be placed in direct sunlight, but the caudex should stay in the shade. Place Bigfoot under a shelter to keep it out of the rain and bring it inside when it starts getting too cold.
Bigfoot is one of the hardiest plants you can get. It will survive temperatures between 30 and 95 ⁰F (-2 and 35 ⁰C). Still, it will flourish at a temperature of around 80 ⁰F (25 ⁰C).
This plant with its cucumber heritage can survive long periods of time in drought but can use a bit of extra water in the summer, around once a week. The only danger here is if water can't drain from the pot, which can result in the rotting of the caudex. It requires excellent drainage. As a substrate, the cactus mix will be suitable… – See more at: How to Grow and Care for a Bigfoot (Gerrardanthus macrorhizus)
Gerrardanthus macrorhizus is native to South Africa (Eastern Cape, KwaZulu-Natal) and Swaziland.
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|Family:||Cucurbitaceae (koo-ker-bih-TAY-see-ee) (Info)|
|Genus:||Gerrardanthus (jer-rar-DANTH-us) (Info)|
|Species:||macrorhiza (mak-roh-RY-zuh) (Info)|
Tropicals and Tender Perennials
Average Water Needs Water regularly do not overwater
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Where to Grow:
Suitable for growing in containers
Soil pH requirements:
From herbaceous stem cuttings
From semi-hardwood cuttings
From hardwood heel cuttings
Allow pods to dry on plant break open to collect seeds
Allow seedheads to dry on plants remove and collect seeds
Seed does not store well sow as soon as possible
This plant is said to grow outdoors in the following regions:
|Plant Habit:||Vine |
|Life cycle:||Perennial |
|Sun Requirements:||Partial or Dappled Shade |
|Water Preferences:||Mesic |
|Soil pH Preferences:||Slightly acid (6.1 – 6.5) |
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
|Minimum cold hardiness:||Zone 9b -3.9 °C (25 °F) to -1.1 °C (30 °F) |
|Maximum recommended zone:||Zone 11 |
|Plant Height :||climbs 15 to 30 feet|
Other: Interesting looking, odd shaped pods with a hatch at lower tip that opens to release winged seeds
|Flower Color:||Brown |
|Bloom Size:||Under 1" |
|Underground structures:||Caudex |
|Suitable Locations:||Xeriscapic |
|Resistances:||Drought tolerant |
|Containers:||Suitable for hanging baskets |
Needs excellent drainage in pots
|tarev||On July 6, 2018||Obtained plant|
Bought plant from Poot's Cactus Nursery in Ripon, CA
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