Lilacs and Forsythia together?

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LoraB Billerica, MA(Zone 6a) Apr 27, 2009

Hello all.
I have just planted a row of forsythia and was thinking about moving my very tiny (6 or 7" high) lilacs to the same area. Planting them in front of the forsythia maybe.
Can you please give me your opinions?
I don't have any full sun to put them in, only afternoon sun.
Thanks in advance!
Lora B.

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HoosierGreen Danville, IN Apr 28, 2009

Lilacs need more sun than forsythia, for sure, if you want them to bloom. Don't put them too close together as both plants will get pretty wide at maturity. The lilacs will eventually get taller, but the forsythia will grow faster, shading the smaller lilacs if the forsythia are on the "sunny side". Either plant the lilacs in back and keep the forsythia trimmed lower until the lilacs grow taller, or plant the lilacs in front. Either way, give them room or you'll be yanking plants out in five years.

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LoraB Billerica, MA(Zone 6a) Apr 29, 2009

Thanks for the reply!

Post #6481015
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Mrs_Ed Whiteside County, IL(Zone 5a) Apr 30, 2009

Lilacs also sucker so if you have them too close, pretty soon your forsythia may be lost in a lilac jungle!

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Weerobin Saint Louis, MO(Zone 6a) Apr 30, 2009

Forsythia is pretty good at expanding as well, as it roots where draping branches touch the ground.
Could be a slugfest.

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LoraB Billerica, MA(Zone 6a) May 02, 2009

Ack! I've already moved the lilacs to a row behind the forsythia. They are so small that I'm sure I can pick them up again if I find another place to plant them.
Thanks!

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