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Garden cornflower Centaurea cyanus

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Generalities Garden cornflower
Garden cornflower isn't an evergreen; during the spring, summer, autumn, winter it assumes a blue colouring; the adult species are medium in size and reach 90 cm in height. The development of the The Garden cornflower is The Garden cornflower is a year or two year long plant. Fertilization Garden cornflower
When we prepare the soil to welcome our annuals, in the apring or at the beginning of the summer, let’s add a good quantity of manure, or slow release granular fertilizer. To improve the flowering we can also give it specific fertilizations for flowering or green plants, mixed with the irrigating water, every 20-30 days. Exposure Garden cornflowerSole pieno
The Garden cornflower plant can be grown in the garden throughout the whole year. It doesn't fear cold weather and it bears very harsh minimum temperatures. For a balanced development, it is best to position the The Garden cornflower in a place where it is exposed to at least a few hours of direct sunlight.Annual plants are usually not grown during the cold period; as autumn arrives we can uproot them and save the seeds for the year after. Watering Garden cornflowerTenere asciutto
We suggest watering these plants only from time to time, but we must remember to wet the soil deeply using 2-3 glasses of water every 1-2 weeks . As autumn comes these plants tend to perish, we can diminish the waterings, or even interrupt them. Treatments Garden cornflower
The spring weather, with a high temperature swing between the day and night hours, and pretty frequent rains, can favour the development of fungus diseases, which should be treated pre-emptively with a systemic fungicide, to use before the gems grow excessively; at the end of the winter we also suggest a wide range insecticide to prevent the attack of aphids and cochineals. We should always remember to do these treatments when there aren't flowerings in the garden. Soil Garden cornflower
Let’s grow these plants in a soft and dissolved, but well drained, soil.
Climate
peat
sand
Soil
Pumice
Bark
S. Organic
alpine
3
0
3
0
2
1
continental
2
0
3
0
2
1
mediterranean
1
0
3
0
2
1
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Notes Garden cornflower

There aren't any notes. The indications given in this article are related to a medium size plant.
This page concerns the weather continental it is possible to choose another climate area alpine mediterranean write a comment on this plant.