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Rambutan (Nephelium lappaceum)
Super rare and only limited stock! Pre Order NOW for February 2023 delivery!
We are so excited to bring you directly from our overseas farm - 'The Schoolboy' Rambutan. A highly sought after fruit for its unique taste and appearance.
The rambutan is a tropical fruit native to Malaysia, now grown throughout South East Asia as well as Puerto Rico, Mexico and Central America. A cousin of the more well-known lychee, both fruits are members of the soapberry family (Sapindaceae).
Rambutans have a brownish-pink spiky exterior covered in hair-like bristles — in fact, the name rambutan derives from 'rambut,' the Malay word for 'hair.'
The inner white flesh of the rambutan is juicy and sweet, with a soft jelly-like texture similar to lychees. Some say the flavour of rambutan tastes like a sweet green grape with a touch of acidity and floral undertones.
In general, the Rambutan sapling takes 5-6 years before it could produce fruit and you need to keep the plant indoors or sheltered partially indoors for at least two years until the Rambutan trees are big enough to plant outdoors. Since the tree is still fragile, it is important to transfer them to bigger pots rather than planting them in the ground.
How to Grow Subtropical Plants
Pot vs In the Ground
It is crucial to keep small seedling in a pot for as long as possible until the stems showing sign of browning. Ideally for 2-4 years depending the type of plant you purchase. The longer they take time to establish in a pot is the better they cope when they need to be repotted or replanted in the ground. It might be that some plants would just happily growing in a pot for its life time as long as they have good quality soil, heat, suitable and regular fertiliser and established root system and to some extend a partial shade and protected from frost. If you lives somewhere Up North, you may be luckier and able to plant many type of subtropical plants directly in the ground when they are about 8-12 months old seedling, although a staking, wind break may still be required. We still recommend to wait until the root system is well established. Usually seedlings can be repotted into a larger size pot once their roots are outgrowing the smaller pot they are in. The ideal size of pot is three times the size of root ball. Be careful not to break or hurt the root system during transplanting.
Most of Subtropical plants loves plenty of heat and sun. It is crucial to keep your young seedling in full or partial shade during summer season. Keeping the plant warm between 21-29 degrees Celsius is ideal, or they are happy in a greenhouse or growing indoors at room temperature. Other time, keep your plant protected from frost. From our experience growing Subtropical plants over the years, they do love the heat but they do not like to be under the direct sun. We highly recommend to place the plant in a semi shaded area at the very least.
All Subtropical plants, doesn't like wet feet. Other than citrus, subtropical plants does not need much watering at all except for summer, where the watering routine can be increased. Around summer, the plant may need watering 1-2 times a day, or if they are in a greenhouse and planted in a pot. If they are in the ground, and received partial shades, once a day watering is ideal. Around winter, only water the plants once every 3-4 days. If your plant is in a pot, poke your second finger in the soil, only water when half the finger length is dry. If you are keeping your plant indoor, be weary of heat pump usage, especially during winter time, as may dry out the moisture in the air and this will hurt the plant. As a remedy, gives the plant, less watering but more misting or foliar spraying instead.
Subtropical plants loves a rich and well draining soil. If you have a good quality and organic potting mix, please ensure to add 30-50% mix of fine pumice or sand. If you are planting into the ground, ensure to add some sand to it or compost. For a healthier plant, add mulch around the base of plant, but be careful not to touch the stem.
To transplant, prepare a good quality potting mix in advance before repotting the plant. Try not to transplant any subtropical fruit trees directly into the ground until they pass their second winter at the minimum. It is a good idea to top up the soil with compost and the potting mix at least 2 times a year to ensure your plant receives all the nutrient it needed.
Plants will grow to the size of the pot, and minimal watering and fertilizing is required around winter and more often around the spring till the end of summer. Subtropical plants usually prefer a well composted animal manure as fertiliser. However an alternate feed with general fertiliser is acceptable. During winter, cease any granular type of fertiliser, but offer liquid fertilizing like the heavily diluted seaweed or worm juice every week 2-3 weeks. Around spring right to end of summer, offer the plants with weekly diluted liquid fertiliser, and monthly granular or general fertiliser. Foliar spraying will benefit the plant if you could alternate with the liquid fertiliser during growth season. Never used sheep pellets for pot plants - especially for subtropical fruit plants.
For Rambutan plant these are the ideal fertilising regime:
Fertilise with a food that is 55g potash, 115g phosphate, and 60g urea at six months and again at one year of age. At two years old, fertilise with a food that is 165g potash, 345g phosphate, and 180g urea. At the third year, apply 275g potash, 575g phosphate, and 300g urea every six months.
Keep subtropical plants in the warmest area indoors or in a greenhouse/polytunnel for their first 1-2 years and slowly introduce to a shaded outdoor area when the weather is good. Keep young seedlings protected from frost and strong wind. Other than Cherimoya plants, do not attempt to replanted subtropical plants during winter. During summer time, it is important to have a lot of air circulation around the plant. If growing under polytunnel or greenhouse, you may need to let some air in, this will do plant good. All plants sold by Exotica NZ will be cleaned, weeded, fed and watered well before their journey to you. In most cases, we even send the plant with extra fertiliser to be used after 4-5 weeks or as a top up when you want to transplant it. It is crucial that you gives the time for your plant to acclimatized. Upon receiving your plants leave it as is for a week before you make any changes. All it needs from you is watering and keeping a close eyes on any signs of stress and plant being lethargic from its journey to you such as wilted leaves, dropping or yellowing leaves. In normal event, the plant will bounce back after a few days. The plant may be restaking or firming the soil around the base or given a plant tonic before replanting.
Good luck and happy growing!
This is generic advice only and your results may vary.
Germinating and growing subtropical plants require a level of skill, patience, commitment and little bit of luck. Whilst we try our very best to provide you with as much information as possible such as the growing guide, we cannot guarantee the result you desire. Note that ExoticaNZ - Plant Enthusiasts do not claim to be ‘plant experts’ in any capacity; as such we simply can’t promise you anything other than ongoing support in your subtropical plant growing journey. We ask that you do your own research and make an informed decision prior to purchase.
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