The Q&A Archives: Lycianthes Royal Robe

Question: I bought a new Lycianthes tree, how much water does in need and when?

Answer: Solanum rantonnetii 'Royal Robe' (Lycianthes Royal Robe) is a medium-size evergreen shrub with numerous slender arching stems. It displays masses of large, fragrant, rich blue-violet flowers with yellow centers over long season. In full sunshine, it's a fast-growing plant to 6 to 8 feet high, with equal width. If yours is trained into a single-trunk tree, prune it semi-annually to maintain the topiary form. Whether shrub or tree, follow a regular watering schedule during the first growing season to establish a deep, extensive root system. (Apply about one-inch of water per week, allowing the water to slowly seep down to wet the entire root mass.) Feed with a general purpose fertilizer before new growth begins in spring.

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