Prevent and combat rose rust with field horsetail

How does field horsetail help against rose rust?

Field horsetail, also known colloquially as horsetail, strengthens the leaves and makes them resistant to fungi and pests. Rose rust, Phragmidium mucronatum, is a fungus that only affects roses. It can be recognized by small, rust-colored spots that first appear on the underside of the leaf. The infection is more of a visual problem at first. If the infestation is severe over several years, the plant can also be damaged and only grow poorly. Due to its high content of silicic acid and potassium, field horsetail strengthens the cell walls and the leaf surface.

How do I treat rose rust with field horsetail?

In the case of acute infestation with rose rust

Horsetail tea strengthens the leaves. To do this, set one according to the instructions Tea made from fresh or dried shoots from the plant. In the case of an acute infestation, first remove the affected leaves and collect fallen leaves. Spray the plant with horsetail tea once a week. Above all, make sure that the underside of the leaves are wetted, as this is where the spores of the fungi are located.

How can I prevent rose rust with field horsetail?

With a Manure made from field horsetail you can preventively protect your roses against rust. This is particularly important for plants that have already suffered from rose rust in the previous year. Rose rust overwinters in the ground and on dead plant parts. First, remove all fallen leaves from under the plant to prevent re-infection when it rains. Prepare manure from dried field horsetail as early as March. Once the start is complete, water your roses with the diluted liquid manure every two weeks.