It is advisable to position this plant in a partially shady place, where it is exposed to direct sunlight only during the coolest hours of the day. With a particularly windy climate we suggest securing young trees to long solid stakes, to avoid that the wind could bare young and not very developed roots; specimens which are only a few years old might fear intense cold and wind.The Grand fir should be grown outdoors; it can bear very harsh temperatures without any problems, even many degrees below zero.
Generalities Grand fir
These plants have an erect development; in the lower part they usually show a bare stem, while towards the top they widen to form the crown. The Grand fir Is large in size; in winter it assumes a green colouring. These are evergreen plants, which means they keep their leaves year round. These plants develop like conifers.
Fertilization Grand fir
Tree fertilization should be done at the beginning of the spring or of autumn, using humus or mature manure; this should be done by mixing a few buckets of fertilizer to the ground, around the trunk of the tree, every 2-3 years or when the tree implanted.
Watering Grand fir
During this period of the year the The Grand fir needs regular watering, which should be done letting the soil dry between one watering and the other; let’s irrigate every 2-3 weeks with about 2-3 buckets of water . We advise watering the young specimens, or the recently sheltered ones; the adult specimens usually are satisfied with rain water.
Treatments Grand fir
Generally during this time of year we suggest a pre-emptive treatment with wide range insecticide and with a systemic fungicide, to prevent the attack from part of the aphids and the development of fungus diseases, often favoured by a mild and damp climate.
Soil Grand fir
We suggest a pretty rich, quite soft, but not too drained, growing substratum.
Notes Grand fir
The Grand fir produces fruits. The indications given in this article are related to a medium size plant.