Rose stem canker
Q: Our Knockout rose stems look odd. Will a fungicide help cure this problem?
A: It looks like a stem canker. There are several fungi that attack rose stems but I don’t know which this is.
Prune out the affected stems and then spray with Daconil fungicide to protect them.

-
Advertisement
-
Follow Walter
-
Advertisement
-
-
June calendar
It is the time to mulch that vegetable garden you have been growing. Also, to help...
Get The Checklist
-
-
-
name that plant
Post your puzzlers and help others with theirs.
Start Here
-
-
Trending Posts
-
1
Plant Hoppers (Planthoppers) – Roosting on Stems
-
2
Squash/Pumpkin/Cucumber/Watermelon Cross-Pollination – Explanation
-
3
Squirrel – Dumb Things They Chew On
-
4
Life Span Of St. Augustine Lawns
-
5
Soil – Amending
-
1
Ligustrum (Privet) – Leaf Spot
-
2
Plant Hoppers (Planthoppers) – Roosting on Stems
-
3
World Pajama Gardening Day
-
4
Rose – Budworm
-
5
History of Knock Out® Rose
-
-
Advertisement
-
Popular topics
Soil Spring Summer Seed Winter Fall Flowers Weed Fertilizer Disease Shade Temperature Pots Oak Pine Pruning Mulch Watering Container Maple Compost Birds Herbicide Azalea Tomatoes Moisture Poison Pears Hydrangea Glyphosate Caterpillar Pests Cherry Roundup Irrigation Pesticide Pre-Emergent Stone Dogwood Peach Spider Pine Straw Magnolia Greenhouse Squash Squirrels Lemon Travel Beans Poisonous