During this time of year we shouldn't worry about minimum temperatures, in fact the the Roscoea humeana can bear temperatures a few degrees below zero. If you desire cleaning the ground from the bulbous plants after flowering, wait for the leaves to dry; later itís possible to take the bulbs out of the ground and place them somewhere dark, cool and dry, until the best season to plant them again.Plant which need at least a few hours a day of solar light.
Generalities Roscoea humeana
These plants are bulbeous. This plant in the summer assumes a purple colouring; it is small in size and can reach 25 cm high. It doesn't keep its leaves in the winter. The Roscoea humeana has a panel-like development, therefore it tends to widen very much.
Fertilization Roscoea humeana
Letís use a slow release fertilizer, or manure, when planting, mixing the product to the ground; during the spring letís mix, every 15-20 days, a specific fertilizer for bulbous plants to our irrigation water, starting from the moment in which the first flowers are withering.
Watering Roscoea humeana
Water regularly, every The , wetting the ground deeply with 1-2 glasses of water , always waiting for the soil to be dry before watering; avoid leaving stagnant water. We suggest not to exceed with the waterings: if the soil remains damp too long, it can favour the development of rotten in the bulbs.
Treatments Roscoea humeana
As the day-time temperatures rise at the beginning of the spring, it is agreeable to practice a preventive treatment, with a wide-range insecticide, which should be applied when there arenít flowerings in the garden. Before the buds become too large, it is advisable to also treat them with a wide-range fungicide, to prevent the development of fungal diseases which spread easily when there is an elevated environmental moisture.
Soil Roscoea humeana
Cultivate in a quite humid, not excessively drained, soil.
Notes Roscoea humeana
If desired, we can grow the the Roscoea humeana in a container. The indications given in this article are related to a medium size plant.