U of M Gardening Information: What's wrong with my plant?

Home > Deciduous > Hydrangea > Curled, cupped or distorted leaves
Start Over

Hydrangea > Leaves > Curled, cupped or distorted leaves

1 of 3

Credit: Randy Nelson, Unviersity of Minnesota
Credit: Randy Nelson, Unversity of Minnesota
Credit: Randy Nelson, Unversity of Minnesota
- CLICK PHOTOS TO ENLARGE -

Plant Growth Regulator Herbicide Injury
(2,4-D, Dicamba, etc.)

Leaves, stems, and petioles are twisted, distorted, and/or cupped
Leaves may appear thick and leathery with parallel veins
Youngest tissue at branch ends affected
Distorted growth accompanied by or followed by leaves that turn brown or yellow
More information on plant growth regulator herbicide injury...

2 of 3

Credit: Chaz Hesselein, Job Seeker, Bugwood.org
Credit: M. Grabowski, University of Minnesota
Credit: L. Jap. University of Minnesota
- CLICK PHOTOS TO ENLARGE -

Non-selective herbicide injury
(Round-up, Kleen-up, and other glyphosate products)

Yellowing, wilting, browning leaves and eventual death of foliage and plants
Damage usually appears first in new tissues
Shrubs sprayed during the summer or fall may not have noticeable injury until the following season when leaves appear as stunted, narrow, strap-like, and chlorotic

3 of 3

Credit: Ben Lockhart, University of Minnesota
Credit: Ben Lockhart, University of Minnesota
- CLICK PHOTOS TO ENLARGE -

Hydrangea Chlorotic Mottle Virus (HCMV)

Light green, green and yellow mottling on leaves
Reddening and curling or deformation of leaf tissue
Symptoms most visible in spring and fall
Infects only cultivars of Hydrangea macrophylla
More information on HCMV...

Don't see what you're looking for?