How fast do lilacs grow?

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White_Hydrangea Aurora, CO(Zone 5a) Oct 16, 2006

About how much height do lilac bushes put on per year? I planted four lilacs this year. One stands as tall as my waist. The others were younger and are knee high or a little less. How many inches will they put on each year? And from what I understand, they have to be about 4 feet high before they bloom. Correct?

I have a 6 foot high privacy fence. I planted the lilacs to be a privacy fence higher than that since they just built several duplexes a couple feet beyond my back fence. Until they (the lilacs, not the duplexes) grow up, I might plant sunflowers there.

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bigcityal Appleton, WI(Zone 5a) Oct 17, 2006

It depends on the type I would say. I have 3 types and they vary from 6" - 3' a year.

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White_Hydrangea Aurora, CO(Zone 5a) Oct 17, 2006

I have James McFarlane, Ellen Willmott, Adelaide Dunbar, and Krasavitsa Muscvy. Okay I'm not sure about the spelling of the last one. Next spring I'm going to get a replacement Syringa Vulgaris. The James McFarlane is the one up to my waist. The others are barely knee high.

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kandlmidd Presque Isle, WI(Zone 3b) Oct 17, 2006

Up here it depends upon how often the deer graze the terminal buds. ;>} Ken

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White_Hydrangea Aurora, CO(Zone 5a) Oct 17, 2006

I won't have that problem, thankfully. And I don't think the squirrels are interested in my lilacs.

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bigcityal Appleton, WI(Zone 5a) Oct 17, 2006

Ken - you're taliking about reindeer right ;)

James McFarlane is the only one I know on that list and it always looks the tallest of the ones for sale so I would think 2-3' a year as a minimum.

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