Monday, April 20, 2009

When do lilacs bloom?

Technically to answer your question: flowering starts after 80-110 growing degree days, when specifically would depend on where you live.

Lilacs (Syringa) (sometimes called Pipe trees) are a genus of about 20 species of flowering plants in the family Oleaceae, native to Europe and Asia. Lilacs range in size from large shrubs to small trees, 2-10 m tall. The leaves are opposite, deciduous, and in most species simple and heart-shaped, but pinnate in a few species (e.g. S. laciniata, S. pinnatifolia). The flowers are produced in spring, each flower about 1 cm diameter, white, pale pink or more generally purple, with four petals. The flowers grow in large panicles, and in several species have a strong fragrance. Flowering starts after 80-110 growing degree days.

Lilacs are used as food plants by the larvae of some Lepidoptera species including Copper Underwing, Scalloped Oak and Svensson%26#039;s Copper Underwing.

When do lilacs bloom?
Mine have been blooming for about 3 weeks now.
Reply:In my area--zone 5 in N. Ohio--they bloom in early May.
Reply:Right now. I have some starting to bloom in the back yard. It smellswonderful!
Reply:Depends on where you live and what variety of lilac. Usually only a couple of weeks in early spring.
Reply:I%26#039;m in zone 4...early May... there are some varieties that will bloom a little throughout the growing season, one of them is Dwarf Korean Lilac...also, if you need to prune lilacs, be sure to do it within a week or 2 after the blooms are spent... lilacs set their next flowers about 2 weeks after the current ones are spent

world history

1 comment:

  1. I have four lilac bushes that normally bloom in the spring like they're supposed to, but last week I noticed that one of them is blooming on one side, and it's November 2nd (I live in northern New Mexico) and starting to freeze at night. And it smells wonderful. How unusual is fall growth in lilacs, and what would cause that?