Mandevillen: Colorful funnel flowers for the balcony


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Formerly known as Dipladenia or "false jasmine", it is now run by the name of Mandevilla. The five -marked, mostly pinkish calyxes are reminiscent of the oleander. No wonder, after all, both belong to the so-called Hundsgiftgewächsen (Apocynaceae). And more and more often, not only the oleander, but also the Mandevilla is pulled out as a container plant outdoors.

Blooming inside as well as outside

summery mandevilla clay pot

Mandevilla sanderi is suitable for tubs and also for small window boxes

Mandevilla hybrids are evergreen and enjoy from early summer to fall with the large pink, red or white funnel flowers. Mandevilla flowers continuously from May to October. The sunnier the location, the more abundant the flower is. Each single flower can flower up to two weeks without interruption. Mandevilla is great for the conservatory, but can be outside in the summer. Outdoors, as in the room, it needs a very bright, warm location with high humidity. Great heat and blazing midday sun should be avoided. The heat-loving Mandevilla also thrives in partial shade, but is then less floriferous.

Vigorous creeper

The perennial is a very fast-growing snake, which easily reaches a size of two to four meters. Tie the squirming shoots regularly to a climbing aid to avoid coalescence with neighboring plants. Climbing varieties such as the Chilean Mandevilla (Mandevilla boliviensis) are ideal for supporting trellises or scaffolds and are well suited as privacy screens. Some compact varieties from the Jade series are ideal for the balcony box. Small-growing varieties such as Diamantina "Jade White" are suitable for hanging teams.

Maintain Mandevilla properly

Ms. Mandevilla plant clay bucket

Mandevilla needs a lot of light, water and fertilizer in the growth phase

Despite their thick, almost fleshy leaves and the smooth, firm surface that protects them from evaporation, the water requirement of the Mandevilla should not be underestimated. Check the soil moisture daily, especially for the large-flowered variety "Alice du Pont". In general, the soil should always be well moist, but without causing damming wetness, because then the plants throw off all the leaves. Mandevils attach storage organs to the roots or shoots where they store reserves to compensate for nutrient deficiencies. Nevertheless, the strong climbers need a lot of power - so fertilize weekly in the growing season or alternatively provide with a long-term fertilizer. Remove ripening fruits - this saves the plant unnecessary power. Attention: All plant parts are poisonous.

Care tips for Mandevilla

For overwintering the container plant suffices a bright, medium-warm location. When the amount of light decreases as a result of the short lengths of the day, the mandevilla stops budding and forms long shoots. It is best to take a rest: put the plants in a cool room (12 to 15 degrees Celsius) in winter and pour them sparingly.

The right cut

decorative Mandevilla flowers shrub

In a warm, sunny place, the Mandevillen develop into decorative splendor specimens

Mandevillen can be cut throughout the year, young plants are repeatedly abgeschitzt. Try wrapping the shoots close to the top of a climbing aid so that they grow in nicely. The outer drive ends should always point vertically upwards. If the shoots are already too long, you can easily cut them back at any time. The climbers carry milk juice in their veins, which flows in the summer particularly abundantly from the cuts. A radical pruning is only advisable at the end of winter, because then less juice escapes.

Diseases and pests

Mandevils are not very stress resistant and susceptible to pests such as the white fly in permanent heat and drought. Spider mites infest often occur in summer, and in the winter, lice can be a problem. A plant near ground cutting in pest infestation puts the plant effortlessly away in the late winter. As a precaution, yellow boards help in case of heavy infestation and also commercial pesticides.

New varieties

Diplandenia flower buds

Typical of the flowers: the yellow or orange throat

The white-flowering species Mandevilla boliviensis is a classic, as are varieties of Mandevilla sanderi and Mandevilla splendens, which bloom in different shades of pink. Diamantina "Jade Scarlet" in fiery red grows upright and compact. With white flowers and orange center the variety Diamantina "Jade White" trumps.The winner of the award is the hybrid variety Diamantina "Opale Yellow Citrine" with creeping hanging growth. The pink Mandevilla x amabilis "Alice du Pont" with up to 10 centimeters large flowering funnels is considered the largest among the Mandevillen. It is vigorous and forms meter-long shoots, which leads along the climbing frame.

Video Board: Gardening Tips & Tricks : Growing Mandeville Flowers.

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