Banks' Grevillea

Banks' Grevillea Care

Grevillea Banksii

What is the plant

Grevilleas are flowering plants native to Australia, but fortunately, these lovely, exotic plants nowadays brighten up gardens and homes worldwide. Although rainforests and tropical regions are their natural environment, they can be cultivated in temperate and subtropical climates. In some regions, they need to be grown as houseplants while in warmer climates they can be grown outside. All you need to do is to pick a variety or a hybrid which will thrive best in cold climates.

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Humidity

Normal

Lighting

Full Sun

Temperature

min -6°C

Hardiness zone

9 - 11

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
When planting, water in well with a seaweed-based solution. Follow up by watering twice a week for two to three weeks, then once a week for about four weeks. Water more in hot, dry weather and less in winter or cooler, moist conditions. After the plant is established, it can withstand periods of drought but, if watered during dry periods, it will grow and flower better.
Pruning
You can tip prune during the flowering months to encourage more blooms. If the plants are looking a little leggy and tired, cut back by about one-third during the warmer months, ideally after a heavy flush of flowers, to stimulate bushy new growth.
Fertilizer
As grevilleas are sensitive to excessive levels of phosphorus, you need to use a specialised native fertiliser, such as Yates Acticote Natives or Osmocote Native Gardens. Feed them twice a year – once in spring and again in late summer

Disease diagnosis

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Sunlight
These beauties are sun lovers, so plant in full sun and keep sheltered from strong winds.
Soil
Grevilleas need welldrained soils. Consider building raised garden beds or, in large gardens, form beds as elevated mounds with free-draining soil. A few weeks prior to planting, dig into the soil a combination of well-aged cow manure and blood and bone. Avoid using fresh manures, as these can burn the plant roots.
Temperature
Grevilleas will grow in most climates. However, cold and frost tolerance varies between species