Harmful to bees and plants - Rhododendron planting is prohibited now.
Starting from 2020, there is a restriction that prevents individuals from planting non-native plants like Rhododendron or Cherry Laurel without a permit in the wild. In contrast, you are free to grow these species in your own garden or on your balcony.
The term "wild" only applies to areas not within residential areas or weekend home zones. So, you can enjoy planting Rhododendron in your personal space but not in the forests, roadways, or parks.
Exercise Caution While Planting Rhododendron
But that doesn't mean you should go ahead and randomly plant Rhododendron in your garden. Be careful, as not all Rhododendron species are native to Germany. Some are harmful and threaten the existence of native species. The most troublesome one is the Pontic Rhododendron (Rhododendron ponticum), which is native to Southwest Europe, the Caucasus, or Western Asia.
This species has a reputation for being invasive, as it grows rapidly, shades the ground, and has few natural predators. Its leaf surface produces hazardous phenols that can harm other plants to death. Plus, it houses a deadly fungus that causes 'sudden oak death'.
The nectar of this species is toxic to honeybees and reduces their activity and alters their behavior.
Identifying Pontic Rhododendron
The Pontic Rhododendron is an evergreen with lance-shaped leaves. It blossoms in May to June with extraordinary bell-shaped violet flowers. These plants are also referred to as Alpine Rhododendrons and can grow widely, with a 60 to 80 centimeter height and a 1.20 to 1.40 meter width.
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Source: symclub.org
