Macadamia seeds for sale – Easy plant to grow, with edible nuts, mostly grown for the nuts but it has ornamental leaves and can be used as evergreen shade tree, planting in early spring to summer, when start from seeds need to be fresh.
Soil type – Acidic to slightly acidic. Must be well drained and deep. PH level must be around 6.
Watering – For young macadamia tree water it regularly. For older established macadamia tree water it once a week during the spring and every other day during the period of dry summer.
Fertilizing – If the soil is rich, no need. Otherwise, fertilize with nitrogen 1% twice a year. Macadamia nuts tree grows slowly, so no need of a lot of nitrogen.
Planting from seed – Crack a little bit the shell of the seed without breaking it. Soak the seeds at least 24 hours in water. Fill a small pot with moist peat moss and vermiculite or perlite. Each seed needs to be in a different pot. The seed sprouts generally between 2 to 3 months but it can take longer until one year. Transplant the macadamia tree seedling in the spring. After the third leave you need to transfer it to a bigger pot. After the tree arrives to half a meter (20 inches), dig a big hole in a sunny location protected from the winds and place all the soil with hummus, organic material and dry leaves. Then transplant the tree in the hole. Put mulch on the soil in order to keep the moist. Water regularly the tree.
Pruning – When the tree is young, need to keep one main stem and to trim all the other branches. The leaves are with spines so better they were be higher than 2 meters (6 feet).
Harvesting – It takes minimum 5 years for a tree to bear nuts. Ripe the macadamia nuts when the inside color is dark brown and the husk is well dry, not sticky and reaches about 3cm (1.5 inch) of diameter. Don’t shake the tree it would bring mostly unripe nuts. Lay down as tarp beneath the tree. Use a long pole to tap the higher branches. The nuts should fall on the tarp. As all nuts are not ripe at the same time remember to often harvest like 3 times a day.
Pollination – Macadamia flowers are small so insects (stingless bees, flies, birds) are requested for pollination. The flower produces nectar to attract pollinators.
Pest and diseases – Common pests are the southern green stinkbug, litchi fruit moth, tropical nut borer, macadamia leaf miner, caterpillar. A healthy macadamia tree is free of pests and diseases.
Uses – Macadamia nuts are full of good fats (contains monounsaturated fatty acids and boast them) and plant substances to reduce high cholesterol, vitamins and minerals. They are easy to include in a diet (for weight loss, protection for heart disease and against diabetes). They can be eaten whole, ground, roasted, and raw. Roasted macadamia nut is a popular snack. Macadamia butter can be spread on breads and added to oatmeal or yogurts.