Old fashioned gardenias or cape jasmines (Gardenia jasminoides) are reliably hardy in USDA zones 7-b and 8. Plants require immediate protection when the outdoor temperatures dip below 15 to 20 degrees. The new hardier cultivars are compact growers, 2-4 feet tall and 3-4 feet wide. ‘Frost Proof’, Crown Jewel™, and Heaven Scent™ are three promising […]
Archive for June 18th, 2010
New Hardier Gardenias
Posted by Hugh on June 18th, 2010
Posted in acidic soil, Fertilizing plants, Gardenia, Insect (Pest) Problems, Planting tips, Pruning, Soil drainage, Spring flowering, Summer flowering, Summer heat tolerant, Trees & Shrubs, watering tips 
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