For a reason, the leaves of a potato rose can turn yellow in the middle of the season. Read here about the most common cause of leaf chlorosis on Rosa rugosa with tips for effective countermeasures.
Why does my potato rose have yellow leaves?
The most common cause of yellow leaves on potato roses isIron deficiency Excess lime in the soil disrupts the supply of iron to the rose petals. The lack of nutrients causes yellow leaves with dark green veins running through them. The best immediate measure against chlorosis on an apple rose is foliar fertilization with iron fertilizer.
Why does my potato rose have yellow leaves?
If a potato rose (Rose rugosa) gets yellow leaves,Iron deficiency is the most common cause. The reason for the nutrient deficiency is very calcareous soil with a pH value greater than 6.5. The high lime content inhibits the supply of iron to the rose petals. As a result, the leaves of a potato rose turn yellow in the middle of the growing season. Yellow leaves with dark green leaf veins are characteristic of chlorosis.
What can I do about yellow leaves on a potato rose?
The best way to combat yellow leaves on potato roses is to use a fast-actingleaf fertilization with iron fertilizer. In the early stages of chlorosis, correct the nutrient deficiency with an acidic fertilizer or soil amendment. How to do it right:
- Check the pH value in the soil with a test strip.
- Treat acute iron deficiency in an apple rose with many yellow leaves with ferramin foliar fertilizer (€11.00 on Amazon) according to the manufacturer's instructions.
- In the early stages of chlorosis, fertilize the potato rose with acidic leaf compost or rose fertilizer.
- Alternatively, improve the calcareous soil with acidic rhododendron soil.
- In the future, use mainly rainwater or stale tap water as irrigation water.
Tip
Planting potato roses with a root barrier
As the queen of wild roses, the apple rose likes to dominate the entire garden with its strong runners. You can put a stop to the urge to conquer in advance by planting the potato rose with a root barrier. Line the planting pit 60 cm deep with a 2 mm thick rhizome barrier that protrudes 10 cm from the ground.
