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Post new topic   Reply to topic    Irish Gardeners Forum Home -> Shrubs in Ireland ... Hedging in Ireland

My lilac bush is not flowering / blooming


 
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volga
Rank attained: Hazel Tree
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Joined: 15 Jun 2006
Posts: 37
Location: Dublin

PostPosted: Fri Aug 25, 2006 3:23 pm    Post subject: My lilac bush is not flowering / blooming Reply with quote

I have a flowering lilac bush or so I thought it was. I planted it about four years ago, it looks well with lovely green leaves but there are no flowers. I am thinking of removing it if it does not flower in the next year or so, as I have enough leafy plants already in my garden. Is there any reason why it is not flowering, any ideas?
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James Kilkelly
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Joined: 30 May 2006
Posts: 2173
Location: West of Ireland

PostPosted: Sat Aug 26, 2006 11:16 am    Post subject: My lilac bush is not flowering / blooming, causes/solutions Reply with quote

Lilacs require a controlled amount of nitrogen rich fertiliser, if you apply an artificial fertiliser excessively high in nitrogen this can cause lots of leaves and few flowers.
A fertiliser such as 7/6/17 is ideal for lilacs.
Feed in early spring and again after flowering.

There other conditions required to allow your lilac to flower well including....
- A moist soil, full of well-rotted compost or farmyard manure.

- A soil with a neutral to slightly limey PH, lilacs grow very poorly in an acid soil. A simple PH test kit will allow you to test your soil PH and tell you how much lime to add if required.

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- Six hours of sunlight daily during the main growing season.

- A base free of grass and weeds, I suggest you apply a layer of weed preventing bark mulch.

- The only time you should prune your lilac is directly after flowering. It flowers on last season's wood, so pruning at any other time of year could remove your flower buds.

However, the simple reason your lilac has not produced flowers yet could be due to immaturity.
Often after planting, a lilac can take up to five years to begin flowering.
They also like to receive a few cold winters to flower well.
So, I suggest you give it another year to produce those heavy scented blooms.

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Last edited by James Kilkelly on Tue Mar 02, 2010 1:56 pm; edited 1 time in total
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volga
Rank attained: Hazel Tree
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Joined: 15 Jun 2006
Posts: 37
Location: Dublin

PostPosted: Fri Sep 08, 2006 7:44 pm    Post subject: Reply with quote

Thanks for that information GPI. The Lilac is young and that could be the problem. Thanks again.
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