Hartweg's Climbing Milkweed (Funastrum Heterophyllum) is a perennial vine in the Apocynaceae family with moderate care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.
Funastrum heterophyllum is a perennial climbing vine native to southwestern and south-central USA and northern and western Mexico, known for its twining habit and milky sap.
Hartweg's Climbing Milkweed
Funastrum Heterophyllum
Funastrum heterophyllum is a perennial climbing vine native to southwestern and south-central USA and northern and western Mexico, known for its twining habit and milky sap.
Quick Facts
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Growing Conditions
Care Calendar
Monthly care tasks for Hartweg's Climbing Milkweed
Expert Care Tips
Pro tips from botanists and plant experts
Watering Tip
Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.
Humidity Trick
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Growth Hack
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