Longleaf Milkweed (Asclepias Longifolia) is a perennial herb in the Apocynaceae family with moderate care difficulty. It requires moderate 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.

A slender perennial milkweed native to the southeastern United States, recognized for its narrow leaves and clusters of creamy white flowers with purplish tips.

Longleaf Milkweed

Longleaf Milkweed

Asclepias Longifolia

A slender perennial milkweed native to the southeastern United States, recognized for its narrow leaves and clusters of creamy white flowers with purplish tips.

Quick Facts

Type
herb
Lifecycle
perennial
Care Difficulty
Moderate
Water Needs
Moderate
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, loamy
Indoor:No
Outdoor:Yes
Garden Use:specimen, pollinator support

Care Calendar

Monthly care tasks for Longleaf Milkweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

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

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Longleaf Milkweed
Longleaf Milkweed detail

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Taxonomy

Family:Apocynaceae
Genus:Asclepias
Longleaf Milkweed Care Guide - How to Grow Asclepias Longifolia | PlantPeek