annual plant

(redirected from Summer annual)
Also found in: Medical.

annual plant

[′an·yə·wəl ′plant]
(botany)
A plant that completes its growth in one growing season and therefore must be planted annually.

annual plant

annual rings
A plant whose life cycle is completed in a single growing season.
References in periodicals archive ?
For example, yellow starthistle begins to send up a flowering shoot (bolt, referred to as moderate growth in figure 3C) in April, begins flowering in late June, and -- like most late-winter or summer annuals -- has completed its life cycle by September or October.
Horseweed Conyza canadensis: This biennial and summer annual is a prolific seed producer that is resistant to many pre-emergent herbicides.
In the spring and summer annual bluegrass must be protected from the annual bluegrass weevil, the black turfgrass ataenius, and diseases such as anthracnose and summer patch.
In spite of a wealth of scientific knowledge on cover crops, anecdotal observations indicate their use is low in farming systems dominated by summer annual crops.
Planting the same summer annual crop year after year allows weeds suited to that growth cycle to keep maturing and adding their seeds to the soil.
It is intended to have the names and aims of the Scottish Championship in place before the SPL's strategy meeting in June, and in time for the consideration of the SFL at their summer annual meeting.
Georgia 1998 soybean, sorghum grain and silage, and summer annual forages performance tests.
Chia (Salvia hispanica L) is a summer annual herbaceous plant belonging to the mint family.
Henning said all summer annual grasses have a toxic potential especially where nitrate poisoning is concerned.
This year's Summer Annual Board of Directors meeting will take place this August in Dallas.
Corresponding to the bimodal precipitation, we censused winter and summer annual plants, as well as biseasonal species and perennials twice each year, during April-May and August-September, beginning in 1978.
If your budget is tight, you might wish to maximize your effort with a summer annual planting instead of the much shorter (period of bloom) fall and spring plantings.