what is Ageratum in agriculture?
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andrew
COMMON NAME: ageratum
GENUS: Ageratum
SPECIES, HYBRIDS, CULTIVARS:
FAMILY: Compositae
BLOOMS: summer and fall
TYPE: annual
DESCRIPTION: Ageratum hybrids vary in height from 5 to 24 inches. Their spread is generally 6 to 9 inches. Individual flowers are clustered tightly and resemble small powder puffs.
CULTIVATION: Seeds should be sown in the garden in early May. Press the seeds firmly into the seedbed, but do not cover them, for they need light to germinate. It takes approximately ten days for the seeds to germinate. To start seeds indoors, sow them in March and allow the plants to become well established {two to three sets of true leaves} before you transplant them into the garden. Ageratum will thrive in full sun or partial shade.
Ageratum is native to Central America. It’s attractive blooms last a long time before they start to look old. This fact is reflected in the name, which is from Greek words a, meaning “not,” and geras meaning “old.” It has also been suggested that to eat the flower would keep a person from getting old.
Dwarf varieties of ageratum are particularly popular as edging plants. Taller varieties look spectacular with yellow chrysanthemums in the fall garden.
Andrew Pel
Ageratum is a genus of 40 to 60 tropical and warm temperate flowering annuals and perennials from the family Asteraceae, tribe Eupatorieae. Most species are native to Central America and Mexico but four are native to the United States. They form tussocks or small hills. They grow to a height of 30 in.
aron
Ageratum conyzoides L., Asteraceae, is an annual herbaceous plant with a long history of traditional medicinal uses in several countries of the world and also has bioactivity with insecticidal and nematocidal acitivity. This tropical species appears to be a valuable agricultural resource.