Troubleshooting
Narrowleaf Milkweed problems — and how to fix them
Narrowleaf Milkweed (Asclepias stenophylla) is generally low-drama, but a few issues come up again and again. Here is what each one looks like, why it happens, and the fix.
Root rot in heavy or wet soils
Poor drainage is the leading killer of this xeric species; if planting in garden soil, amend heavily with coarse grit or crushed stone and raise the planting area to ensure water drains away rapidly.
Failure to re-emerge in spring
The plant dies back completely to its taproot and re-emerges late in spring — mark planting sites to avoid accidental disturbance before new shoots appear in late April or May.
Prevent narrowleaf milkweed problems before they start
Most narrowleaf milkweed issues are care-mismatch, not bad luck. Dial in the basics:
Narrowleaf Milkweed problems — FAQ
Why is my narrowleaf milkweed root rot in heavy or wet soils?
Poor drainage is the leading killer of this xeric species; if planting in garden soil, amend heavily with coarse grit or crushed stone and raise the planting area to ensure water drains away rapidly.
Why is my narrowleaf milkweed failure to re-emerge in spring?
The plant dies back completely to its taproot and re-emerges late in spring — mark planting sites to avoid accidental disturbance before new shoots appear in late April or May.