Alocasia macrorrhiza care is all about high humidity and checking the soil weekly to see if it needs watering…
Alocasia Macrorrhiza Care Summary
|Light needs:||Bright indirect sunlight.|
|Watering needs:||Water it if the top inch or 2 cm of soil is dry.|
|Fertilizer:||A balanced plant feed once a month in the summer months.|
|Soil:||Check the soil once a week, water if top 50% is dry.|
|Where to buy:||Try our list of Rare Plant Shops.|
|Common issues:||Over and underwatering.|
The alocasia macrorrhiza aka the giant taro is a gigantic-leaved monster of a plant! It is originally from the Pacific islands, but can do well in most homes…
Bright indirect sunlight is best, don’t let them get direct midday sun or they will burn.
How Often to Water
Check the soil once a week, but only water if the top 50% is dry.
Feed your macrorrhiza a balanced fertilizer every month in spring and summer. Do not feed in the winter months.
A rich well draining potting compost is ideal. Some added perlite will help drainage too.
When To Repot
So when should you repot your alocasia macrorrhiza? The short answer is to repot them when they outgrow their current pot. But always check the roots in Spring to see if they need to go up a size, this will make sure they have plenty of room to grow in the hotter months.
60% humidity is best for optimal growth, but they will be ok with a bit less.
15-30°C (59-86°F), they’ll do ok outside too as long as it does not get too cold at night in the winter.
How To Propagate Alocasia Macrorrhiza
Propagate an alocasia macrorrhiza easily by splitting it at the tuber. You need to take the plant out of it’s pot and remove as much soil as possible. Then split off smaller plants from the main plant. Each small plant grows out of the tuber, so you need to make sure you get the plant above the soil together with the tuber and some roots too. Be careful when splitting the tuber to cause as little damage as possible. Once separated you can wait an couple of hours for the wounds to heal before potting them all back up.
Alocasia Macrorrhiza Variegata Care
Care for the variegated macrorrhiza is very similar to the standard plant, just be more careful of the light it gets – it needs a lot of indirect sunlight to grow as the leaves will not grow as quickly in lower light as they do not produce energy as well as they’re is less green chlorophyll in the leaves. At the same time, the variegated leaves will burn if given too much direct sun. So be careful to give it lots or indirect, but not direct sun.
Alocasia Macrorrhiza Black Stem
The alocasia macrorrhiza black stem is a dark green leaved alocasia, but with striking dark black stems. It is rarer and costs more too.
Where To Buy
Try our list of Rare Plant Shops.
Alocasia Macrorrhiza Care FAQs and Common Problems
Over and underwatering.
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