Purchased in 2018 and have been very happy with the vigor, heat tolerance, and cold resistance. Since I'm renting, I planted in a 24" clay pot to hide an ugly chain link fence. In full searing sun, it covered ten feet the first summer, bloomed beautifully, and the fragrance was enjoyed every time I walked past. I live in USDA zone 8a, but since it is in a pot, I was afraid to leave it completely exposed to winter lows of sometimes below 20F, so I moved it to a minimally heated greenhouse for winter. Wood rats got in and ate it to the root, but once it was outside again in April, it quickly sprouted and grew 15 ft in every direction. This past fall of 2019 I realized I no longer have room in the little greenhouse, so I moved the pot against a warm west wall & tried to insulate the pot, surrounding it with pots of dormant bulbs. We will see how it fared come March of 2020!