The Q&A Archives: Amount of Sun Light for Larkspur

Question: Hello,
Can you please let us know over how many hours of sunlight is lot for Larkspur. We bought few Larkspurs from Home Depot. The tag on the container said Full Sun exposure. We planted it on south side of the building where plants get around 10 hours per day of sunlight. One of them turned yellow and dried up, the other one is also turning yellow. How can we save the plant, why are they dying?

Answer: I'm afraid that an area on the south side of your building is simply too hot for larkspur. While they will take full sun in an area without reflected and radiated heat, they won't do well in a really hot spot. In fact, I'd plant them on the opposite side of the building where they get morning sun and shade from the hot afternoon sunshine. For the area you describe, a heat and drought tolerant plant would perform better. Try Purple Coneflower, Liatrus, Black Eyed Susan, Catmint, Globe Thistle, or other "xeriscape" type plants in the site.

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