These plants don't agree with cold temperatures during this time of year. They can be grown outside. To prevent damage caused by the cold temperatures, during the months with definately harsh minimum temperatures, we can protect the shrubs by covering the soil around the stem with straw or dry leaves.the Grevillea asplenifolia should be grown in a bright place, with direct sunlight.
Generalities Grevillea asplenifolia
The Grevillea asplenifolia has a shrub- like development. The Grevillea asplenifolia Is medium in size; in spring it assumes a orange colouring. These are evergreen plants, which means they keep their leaves year round. These plants give origin to a brush with a rounded form.
Fertilization Grevillea asplenifolia
Shrubs develop new shoots and prepare their flowers during the spring period, therefore we must remember, by the end of the winter, to give it a good dose of humus or mature manure, or granular slow release fertilizer, to be added to the soil at the foot of the plant. During the spring we can choose a fertilizer rich in nitrogen and potassium, to mix with the irrigating water, every 20-25 days.
Watering Grevillea asplenifolia
Water rarely, about once every 2-3 weeks with 1-2 buckets of water , keeping the soil dry for a few days before watering again; when wetting we suggest avoiding surpluses, however to wet the soil deep down. If we want to grow these plants in a vase, we should water them a bit more often, compared to plants cultivated in the ground; Every 2-3 years we should renew the substratum in the vase, or enrich with organic amender.
Treatments Grevillea asplenifolia
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 Grevillea asplenifolia
Let’s grow these shrubs in a substratum for acidophilic plants, which also has a very good drainage.
Notes Grevillea asplenifolia
These plants need to be grown in a specific soil for acidophilic plants. The indications given in this article are related to a medium size plant.