Species: there are about 25 species of tropical and subtropical rhizomatous plant. The species have been extremely hybridized, with most of the hybrids involving Achimenes grandiflora and Achimenes longiflora.
Achimenes grandiflora – from Central America from Panama to central Mexico.
Uses – Cultivated as an ornamental plant for its purple flowers. Be used as a houseplant, greenhouse, and bedding plant.
Location – avoid direct sunlight.
Soil – fertile, well-drained combined with peatmoss and loam.
Watering – When the rhizomes starts to grow, water a lot to keep the pot constantly moist.
Achimenes longiflora – known also as Trumpets Achimenes
Location – bright indirect sun
Soil – acidic with some organic matter
Achimenes cettoana – grows in Mexico
It’s the most compact plant among all the species. The plant produces little lilac flowers.
Achimenes erecta – Mexico to Panama it is a houseplant you can have indoor or on your terrace. The flowers remain only few days. They are produced from June to October.
Location – light spot
Soil- slightly moist with a pH around 6
Color – bright red flower with dark green heart-shaped foliage
Here are some tips how to grow and care:
Flower colors – purple, lilac, lavender are the more common colors but they can also be: white, blue , yellow, blue and pink.
Leaves colors – from light to dark green
Light– Filtered light, keep the plant shaded from direct sun
Soil – Well drained with some organic matter
Watering – the plant must be moist all the time, neither wet nor dry. Water the plant when the surface begins to dry. Dry soil can induce the plant to become dormant and there won’t be flowers.
Pruning – No pruning is require. Remove dead stems during late fall.
Propagation – Start new plants from cutting in late spring or early summer. Take 10cm (4inches) stem tip cuttings. Or divide plant from the previous year by dividing rhizomes. Plant the rhizomes 3cm (1 inch) deep and space it 5cm (2inches) apart.
Fertilizer – Apply a liquid feed twice a month when the plant is in its full growth stage.
Pest and diseases – Thrips can cause foliage and flowers damage. Aphids and spider mites cause weakness, fungal and might kill the plants. Usually disease free.