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Canna cultivars are grown in most countries, even those with territory above the Arctic Circle, which have short summers, but long days, and the rapid growth rate of cannas makes them a feasible gardening plant, as long as they receive 6–8 hours of sunlight each day during the growing season and are protected from the cold of winter.
Plants raised in protected conditions usually need a period of acclimatization, known as hardening off (see also frost hardiness). Also, root disturbance should be minimized. The stage of growth at which transplanting takes place, the weather conditions during transplanting, and treatment immediately after transplanting are other important factors.
The canna leaf roller butterfly (Calpodes ethlius) has been seen on Canna plants in the US. [22] It is a caterpillar known as the worst pest for this plant and primarily found in the Southern United States. This pest causes damages by laying its eggs in the bud of developing stalks.
Plants can also be grown indoors through the use of hydroponics. To grow plants indoors, a growing medium (e.g. soil or growing substrate), water, nutrients, light and air need to be supplied to the plant (with the exception of aeroponic cultivation, in which case a growing medium is not required).
Place the bulbs in the soil with the pointed sides up, making sure to plant each bulb close together. Cover small bulbs with a 1/2-inch of soil and larger bulbs up to their tips. Water the bulbs well.
The bulbs are produced to satisfy the demand for bulbs for parks, gardens and as house plants, in addition to providing the bulbs necessary for the production of cut flowers. The international trade in cut flowers has a worldwide value of approximately 11,000 million Euros, which gives an idea of the economic importance of this activity.
The growing setting could also determine the strain you want to grow. Indica cannabis plants grow shorter and bushier hence could be good for indoor growing while Sativa plants grow tall and large ...
This list of Canna cultivars is a gallery of named cultivars of plants in the genus Canna that are representative of the various Canna ... Cultivars growing under 0 ...
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