Guide to growing Globe Amaranth (Gomphrena)
Gomphrena are half hardy annuals that reach between 25 and 45cm in height.
Gomphrena species bloom from summer through to early autumn and carry globe shaped flowers of violet, red or white.
An example of a commonly grown garden Gomphrena is Globe Amaranth.
How to grow Globe Amaranth
If growing globe amaranth from seed outdoors then sow the seeds following the last frost of spring; lightly cover the globe amaranth seeds once sown. Ideally amaranths should be spaced at about 20 to 30cm apart and grown in a sunny part of the garden, For best result grow Gomphrena species in a soil of pH 6 to 7.
If starting off Globe amaranth indoors then first soak the seeds for a day, then sow into pots. Germinate Gomphrena at a temperature of 21 to 25 degrees centigrade in the dark. Transplant the globe amaranth seedlings into the garden following the last frost.
Caring for Globe Amaranth
It is easy to look after globe amaranth and other Gomphrena species. When they are young pinch back the tips to encourage branching; this will result in bushier Gomphrena plants. Once flowers break from their buds give a light feed.