Any infected wood should be removed and burnt to stop the spread.Ī close relation of Malus Niedzwetzkyana, Malus Rudolph was developed in Canada in 1954. It gets its name from the appearance of honey-coloured mushrooms that often show up on the surface. Honey Fungus: Armillaria, a fungus that attacks plants and wood, is often given the name honey fungus.Any affected wood will need removing to prevent the disease from spreading further. The infection can take hold if there is a wound on the tree although it often begins on the bud. Apple Canker: A fungal disease, apple canker can cause the bark to die or appear sunken.Regular watering and removing any signs of an infestation is usually enough to deal with this issue. They can be troublesome between March and October when conditions are dry and warmer. Red Spider Mite: These mites feed off of the sap found on crab apple trees which can cause leaves to drop early.

Soil Type: Most soil types but not too wet Common Pests & DiseasesĪlthough often resistant to apple scab which is a plus, Rudolph crab apple trees can fall victim to some problems.Best Growing Position: Sunny and sheltered location.Best Feature: Resistant to common pests.Its eventual height will be up to 7 metres and the crown becomes rounded with maturity. Once you have planted your Rudolph crab apple tree, you can expect it to bear fruit within 2 – 5 years. They are hardy too, resisting some of the common apple tree pests. They can be round or elongated in shape and against the foliage, making a stunning garden feature. Young leaves will begin a dark brown-red colour before turning to green foliage during the summer.įruiting during the autumn and often producing well into the winter, Rudolph crab apples are small with orange-yellow skins. The flowers grow in small clumps and are roughly 5 cm in size. But as it matures, the crown becomes more rounded. The tree shape starts out quite narrow and upright when the specimen is young. Malus Rudolph crab apple trees boast a stunning display of pink and purple blossoms during the spring months.

Malus john downie apple tree