I bought five of these (rather pricey) plants for planter box on my
front porch (N.facing).
They did fine until I noticed the far right one was turning black.
Now the one next to it is also infected -- or whatever is wrong.
I didn't save the tag, so does anyone know the name?
Also why this is happening, and do I need to move the other 3 to avoid
whatever it is?
Probe the soil. Is it soggy? Even if the planter has drainage, it
might be too wet.
These look like fortnight lilies (Dietes iridiodes, also known as D.
vegeta), but I can't tell for sure unless they bloom.
David E. Ross
Climate: California Mediterranean, see
Can't tell from the photo. The leaves look equitant, which means the
plant is likely in the Iridaceae or something closely related:
Could be poor handling in the nursery, poor handling by you, poor planting
site, fungal disease, bacterial rot... I'd start by digging up the blackened
plants and examining the roots and leaves for signs of rot or infestation.
Responding to comments: They were well planted. Have never been
overwatered. We have had only 2 rains lately; not enough for root rot
in a big planter
Did well for many months. So why now? Concerned about contagion to
3 healthy plants.
This is So. Calif Coastal.
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