I have two white lilac bushes. one year old and i am not getting any flowers?

i have two white lilac trees, about 20 ft away from each other, is this the reason they are not flowering? they have grown to double their size in one year but this year no flowers.

I have two white lilac bushes. one year old and i am not getting any flowers?
You can try using the process of elimination. There are five main reasons that lilacs fail to bloom: insufficient sunlight, too much nitrogen fertilizer, improper planting (planted too deeply), improper pruning (pruning at the wrong time) or winterkill of the flower buds. If you are fertilizing your bushes (or near your bushes), stop. Lilacs set their flower buds for next year on this year's growth. If you pruned them last season in late summer-say late July or August-you may have removed the flower buds for this growing season. Also, lilacs will typically not bloom the season after a harsh pruning, so you may need to wait until next year before you see flowers. If you suspect winter damage to your flower buds, you can only hope for milder winters or plant a hardier variety. Pulling some soil back from the roots will help if you think it may be planted too deeply. Lilacs need full sun to flower. You might take a sucker from your lilac bush and try growing it in a new location.
Reply:Love lilac's; my first outside plant. It sounds like you are doing everything right, if they have doubled in size in just one year they are probably getting enough sun; they sound healthy. You just need to give them time to bloom.


Here is more information on your question.





The most popular lilac question: Why doesn’t my lilac flower?





Usually a lack of sunlight can be an initial problem. A minimum of six hours of sun is needed per day.





Too much nitrogen (the first number in a fertilizer) can be a problem. Often lilacs are planted in the lawn, and fertilizers used to green up lawns are too high in nitrogen. This causes beautiful green foliage but little bloom. Avoid high nitrogen fertilizer around the plant and use suggested fertilizer.





No bloom after first year. Lilacs are sometimes purchased as bare root or ball and bur lapped plants. These will flower the same year but not reflower for 3-5 years. The flowers were made from the previous year and it is normal that the plant will have to make new roots and get settled in for a few years before it reflowers. The best way to purchase lilacs are containerized plants. These are lilacs that have passed at least one year in the container it is in. They will have a complete root system and will reflower at an earlier age.





Improper pruning time often is another problem. Some lilac lovers prune their plants at the wrong time. They should be pruned only when flowers are faded. Any other pruning will result in the cutting of flower buds.
Reply:20' apart is not a problem at all. Are they in the sun? They don't bloom well in the shade. One year old is still a bit young to bloom. Give them another year or two before you worry about it.
Reply:Lilac's bloom on old wood - you have a couple of years to go. Whatever you do don't do a heavy pruning in the fall.
Reply:A lilac generally need to be about seven years olf to flower. if you prun the flower heads off you will not have flowers the next year.
Reply:Lilac bushes need at least 6 hours of sunshine each day. May you need to move them to more sun.

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