This is a very fine rose for inland empire southern California. My zone is 9b. We get scorching dry heat here in the summer (100 degrees plus) and low rainfall throughout the year. This rose has performed superbly in these conditions. When other roses looked wilty and stressed during the worst of the summer heat, Omi Oswald looked great. Flowers are a lovely very pale yellow. They have an interesting pompom in the center of the blossom, which reminds me of a hibiscus. Good wildlife plant as bees love the flowers, and it sets hips for birds. Very easy care, low maintenance, needs little fertilizer, which makes it a good companion for California native plants (which can go belly up if fertilized). Absolutely clean foliage in my no spray garden where the pressure is very high for mildew and rust.
Loves heat. Tough and Vigorous. This is its second summer in my Houston zone 9 garden. Gets going when the heat cranks up and throws a lot of basal canes at once. They grow very tall, at least seven or eight feet. before arching over at the top, sometimes curling down and tangling with the more docile Lupe's Buttons on its east side. Extremely large terminal clusters develop with buds a lovely apricot, opening soft yellow in the morning and white by the afternoon. Fleeting but self cleaning, graceful, lots of foliage, lots of thorns, unfazed by drought or flood. Would have given five stars but a little worried about its eventual size, bigger than suggested here or on HMF. It could easily be espaliered or grown on a trellis but really nice as a big shrub if you have room..
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