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Sep 10, 2016 2:35 PM CST
Thread OP
Southern Oregon (Zone 7b)
I bought this lilac in late spring last year. The leaves are not dry and brittle, but just have slowly turned brown from the bottom up. This seemed to start happening in the middle of summer. I am in zone 7 and I am wondering if the heat wave we had not long ago may be a reason for this?
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Sep 11, 2016 1:52 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
Welcome! It looks as though the newest leaves are green which is a good sign. Has it had enough water during the summer, the mix in the container looks a bit dry although pictures can be deceiving. The odd thing is that the leaves are brown all over not just the leaf tips and edges. It doesn't seem to be wilting either, at least currently (but did it earlier on?). Have you fertilized it with anything?
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Sep 17, 2016 11:31 AM CST
Thread OP
Southern Oregon (Zone 7b)
I am worried that I may have not watered enough during our heatwave. I am still pretty new to gardening and it's hard to tell at times when I need to water. The temps were hot and the water would evaporate on the surface, but the soil underneath still seemed moist. I planted a rose of sharon during the summer and the leaves got scorched Sad :( I am so sad about this. I was afraid to overwater in fear of drowning it, so It's been crazy trying to figure this out.

But yes it's strange that the color of the leaf has turned brown and doesn't have brittle tips and edges. And there has not been any wilting. The leaves feel healthy to the touch. No I had not fertilized it until just a few days ago. I noticed that there is a slight reddish/purple color as well. Maybe this is a nutrient deficiency. It's hard to tell since I can't find anything that resembles the changes in my lilac. Thank you so much for your response Thank You!
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Sep 17, 2016 12:25 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
I had wondered about phosphorous deficiency, which is why I asked about fertilizer. Reddish/purple can be a sign of that. Do you need to keep it in the pot? It would be happier in the ground if possible.
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Sep 17, 2016 12:51 PM CST
Thread OP
Southern Oregon (Zone 7b)
this is really good to know thank you. I will cross my fingers and see how it responds to the fertilizer. Unfortunately I am not allowed to plant anything in the ground. I also didn't think about how quickly I may have needed to re pot the lilac either. Do you think that since it is a dwarf lilac that it may do ok in this pot for awhile?
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Sep 17, 2016 1:22 PM CST
Name: Sue
Ontario, Canada (Zone 4b)
Annuals Native Plants and Wildflowers Keeps Horses Dog Lover Daylilies Region: Canadian
Butterflies Birds Enjoys or suffers cold winters Garden Sages Plant Identifier
It should be OK in that pot for a while as long as it is kept fertilized. In the ground they grow several feet tall and wide but it will likely stay smaller in the pot - they can be grown as bonsai too.
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