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| I have noticed that my roses aren't taking as much water as fast now that the weather is colder. My imagination, or a normal happening? andrea |
Follow-Up Postings:
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| Of course. The evapotranspiration rate depends on temperature and humidity, cloud cover and wind. The rate for July can be twice the rate in cool weather, or inland CA nearly twice that of coastal. |
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- Posted by jacqueline3 9CA (My Page) on Wed, Dec 4, 13 at 13:33
| Michael is correct, of course. Less water evaporates, so the roses need less watering to get the same amount. It is, also of course, important for roses and other garden plants to be well hydrated to survive sudden freezes, at least in warm climates where they are not dormant. In my warm climate, we just got a warning that our nighttime temps are going to plunge from the low 50s/high 40s to the high 20s tonight. That is not unheard of, but the last time it happened was years ago. It kills citrus, and melts many tender perennials we are accustomed to overwinter in our gardens. 25 years ago we had nighttime temps in the 20s for two weeks without stopping, and it killed whole hillsides of eucalyptus trees and ice plant growing along the freeway all over the county - we are just not set up for that cold of temps. So, last evening there I was in the dark, frantically watering pots and bringing a couple of beloved succulents (like the Christmas cactus which is in full bloom right now) into the glassed in back porch. Those of you who live in colder climates will laugh, I know, but people here are not accustomed to the cold either - my DH and I are going on our normal three times a week bike ride today, and I plan to wear my one and only snow parka! Jackie |
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| Michael, Thanks. I didn't realize that the difference could be so great. Jackie, We got down to mid 30's last night. Suppose to be colder tonight....So, I have already planned to go home this afternoon and water. I only have 30 bushes, so it probably won't take as much time as yours take to water. andrea |
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