There is only one members of the Lonas plant genus
It can reach about 30 cm (1 foot) in height, and be either half hardy or hardy annuals.
The species name is lonas annua and it carries yellow flowers from summer through to autumn atop evergreen leaves.
Some of the common names for Lonas include Golden Ageratum, Yellow Ageratum and African Daisy.
Dried Ageratum are great to dry and use in flower arrangements; it is best to cut off the stems once the flowers have fully opened, then dry them ready for use.
Common Names: Golden Ageratum, Yellow Ageratum, African Daisy.
Life Cycle: Hardy annual, half hardy annual.
Height: 10 to 12 inches (25 to 30 cm).
Native: Mediterranean, Africa.
Growing Region: Zones 2 to 8.
Flowers: Summer and autumn.
Flower Details: Yellow, gold. Clustered.
Sow Outside: Cover seed. Following last frost. Spacing 8 to 12 inches (20 to 30 cm).
Sow Inside: Germination time: one week in the dark. Temperature 70°F (21°C). Six or seven weeks before expected last frost. Transplant outdoors following the last frost.
Requirements: Full sunlight. Good drainage. Light soils. Average soils. Deadhead.
If planning to grow Golden Ageratum and other Lonas outdoors from seeds then sow after the last frost of spring. Once sown simply cover the seeds. Golden Ageratum likes to grow in sunny areas that have good drainage and a light soil.
Lonas Plants can be started indoors. The growing process should be started about 7 or 8 weeks before due to be transplanted after the last frost of spring. The seeds should be germinated in the dark at about 21 degrees centigrade; this process should take about a week. Once ready, transplant the young golden Ageratum about 15 to 30 cm apart.
Golden Ageratum are easy to maintain, they should be dead headed when flowers have finished to prolong blooming; it is important not to overfeed Lonas plants.