Question
I live just north of Dallas, Texas, and I was wondering whether gardenias do well in this area.
Answer
It’s possible that your area may be too hot for gardenias. You be the judge; gardenias need these conditions to thrive: (1) soil that is high in organic matter, is moist but well drained, and has a pH of 5 to 6; (2) partial shade to sun; and (3) cool nights. Gardenias are hardy in Zones 8 to 10, but they need proper temperatures to bloom. Flower buds won’t form if daytime temperatures are higher than 70 degrees F or nighttime temperatures are over 65 degrees F or under 60 degrees F. The ideal temperature ranges are 65 to 70 degrees F during the day and 60 to 62 degrees F at night.
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