planting knopholia - Knowledgebase Question

Casper, Wy
Question by Csprrobin
June 1, 2009
I would like to know how deep of well drained soil this plant needs as well as how big it will get and does it need fertilized? Thank You

Answer from NGA
June 1, 2009


Kniphofia, or red hot poker, can grow from 2' to 6' tall and wide. Most remain between 2-3' wide and tall. These plants will grow in average, moist to dry soils, in full sunshine. They are quite adaptable and won't need any special care. You can feed once a year in spring to encourage healthy new growth. Most of the roots will be concentrated in the top 12 inches of soil so if you have shallow soil, a red hot poker should be just fine. Good luck with your new plant!

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