|I have beautiful white calla lillies but they grow to at least 5' tall and then the flowers bend over onto the ground. Some are in full sun and some are in full shade and they do the same thing. I have the same thing happen with my roses as well.
|Answer from NGA
March 14, 2010
|Overfertilization can cause fast but weak growth. You don't even have to be deliberately feeding your callas and roses if they are growing near a lawn or some other garden area that is regularly fed. Aside from excess fertilization, there's really no reason for the weak growth. You can stake up the callas and prune back the roses to remove the weak growth. If you prune the roses back often enough for them to develop sturdy stems, then stop pruning for about 4 weeks, they should bloom for you by mid-summer. Best wishes with your garden.
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