February 1, 2023
Lycianthes rantonnetii

Lycianthes rantonnetii

Lycianthes rantonnetii ‘Royal Robe’ is also known as the Solanum rantonnetii, Blue Potato Bush, or Paraguay Nightshade. It is part of the Solanaceae family of plants. It is native to South America. More precisely it is native to Paraguay and Argentina. It is related to the potatoes. Lycianthes rantonnetii was previously called Solanum rantonnetii.

Lycianthes rantonnetii is poisonous to humans. It is an evergreen shrub. It is tropical. And it has fragrant violet flowers. It has oval leaves. They are bright green. It is a fast-growing plant. It grows 12ft or 3.6m tall. It might require support to keep it sturdy.

Lycianthes rantonnetii
Lycianthes rantonnetii or Blue Potato Bush

Lycianthes rantonnetii flowers in summer and autumn. The flowers grow in clusters. They are funnel-shaped. They are blue-violet with distinct yellow centers. Lycianthes rantonnetii blooms on the previous year’s growth. The flowers are followed by red berries.

How to grow Lycianthes rantonnetii:

Plant Lycianthes rantonnetii outdoors in milder climates. Otherwise, grow them indoors in containers. A cool greenhouse could be perfect. Grow it in the sun and shelter it from the wind. Plant it in moist but well-drained soil. It grows both in alkaline and acid soils.

Propagate by seed or semi-ripe cuttings in summer or autumn. Prune it lightly in early spring. Just trim it to shape and remove dead branches.

Watch out for grey molds, aphids, or red spider mites, especially when it is kept indoors or in a greenhouse. Lycianthes rantonnetii attracts butterflies, bees, and birds. It is heat-tolerant and deer -resistant. It causes discomfort if ingested.

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