Let's grow the the Canna iridiflora in a luminous place, with direct sunlight. 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.Let's avoid exposing the The Canna iridiflora to temperatures below 15įC. During late Spring we can place them outdoors, possibly sheltered by the wind.
Care Canna iridiflora
The development is erect, they tend to grow both in height and in width, giving origin to a rounded shrub. This plant in the summer assumes a orange colouring; it is large in size and can reach 3 m high. It doesn't keep its leaves in the winter. These plants are bulbeous.
Feed Canna iridiflora
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.
Irrigation Canna iridiflora
Water when the ground is dry; in case of prolonged droughts water very often, otherwise every 1-2 weeks can be enough using 1-2 glasses of water ; avoid water stagnations and excessive watering. 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.
Adversity Canna iridiflora
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.
Substrate Canna iridiflora
Cultivate in a quite humid, not excessively drained, soil.
Cultivate Canna iridiflora
If desired, we can grow the the Canna iridiflora in a container. The indications given in this article are related to a medium size plant.