Enhance soil drainage and adjust watering to prevent future rot. A plant I like, but for the moment is missing from my garden, is red hot poker (Kniphofia uvaria). Learn how to choose a variety of this unusual, flowering perennial for your growing conditions. Spotting the. After that, these plants can survive in some periods of. . Unless soil is of very. They aren't fussy about humidity. Trim and treat with fungicide to combat root decay effectively. Fertilizer. red hot poker plant poisonous. Red hot poker plant care involves regular watering until these plants are established. All about Red Hot Poker plants, aka Torch Lilies. I like the plant - it should do well in my garden and. Red hot pokers do best in moderate temperatures, between 60ºF and 90ºF.