Torenia Cultivation - Knowledgebase Question

Syracuse, NY
Question by mmglick
July 21, 1998
I planted many healthy torenia plants in a north-facing bed which gets mostly moderate shade, but some sun in the late afternoon and early evening. The foliage is starting to turn yellow and sickly-looking, and the plants, though they have bloomed profusely, don't appear to have grown much since they were planted a month ago. (It appears that the first bloom period is coming to an end now.) What can I do to make them healthier? I understand that torenia requires a lot of water--how often should they be watered? What are it's soil requirements? Do they need to be mulched?


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Answer from NGA
July 21, 1998

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watering, suppresses weeds and it feeds the soil as it breaks down. The mulch however can rob your soil of nitrogen, so if you mulch be sure to supplement with some form of nitrogen.

Good luck with your torenias!

watering, suppresses weeds and it feeds the soil as it breaks down. The mulch however can rob your soil of nitrogen, so if you mulch be sure to supplement with some form of nitrogen.

Good luck with your torenias!

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