How to Grow & Care for Alocasia Wentii ‘New Guinea Shield’ (2023)

Caring for planting  Alocasia Wentii ‘New Guinea Shield’ is not too hard you can easily grow them and for more easy plantation I have explained some more important requirements for growing and caring for Alocasia Wentii ‘New Guinea Shield’. 

Quick takeaways:

  • Alocasia Wentii does have arrow-shaped leaves with having deep green hue on the top having a bold purple underside.
  • Alocasia Wentii is also known as New Guinea Shield.
  • The plant is able to produce large, glossy leaves.
  • The leaves of the plant showcase a rich dark green hue and have purple color underside which makes them look like two color plants.  

The following table will give all the important information that you need to grow and care for Alocasia Wentii ‘New Guinea Shield’:

Scientific namealocasia wentii
Common NameHardy Elephant Ear, New Guinea Shield, Purple Umbrella
LightBright indirect sunlight
WateringWeekly, water if the top 2 inches of soil is dry
Temperature59-86°F (15-30°C)
Hardiness Zone8a to 10b
Soil TypeRich, quick-draining, loamy
Soil pH6.1- 7.3 (slightly acid to neutral)
FertilizingA balanced feed once a month in spring and summer
RepottingEvery 2 years
PruningBeginning of the growing season
PropagationDivide offsets 
ToxicityToxic to humans and pets
Mature Size5 feet as a houseplant
Bloom TimeRarely blooms

Grow & Care for Alocasia Wentii ‘New Guinea Shield’ 

The Alocasia wentii comes under the Alocasia category which is the easiest variety to be grown with minimal effort. The following are some important requirements for growing and caring for Alocasia Wentii ‘New Guinea Shield’  

  • Light
  • Watering 
  • Temperature 
  • Soil
  • Fertilizer
  • Pruning 
  • Repotting and potting
  • Humidity 
  • Propagation 


  • The plant  Alocasia wentii basically is a hybrid elephant ear and that is originated in the rainforest of the south pacific.
  • According to the plant the light needs for growing the plant ranges from  10,000-20,000 lux.
  • The best way for providing light is by placing the plant where there is bright but indirect light.
  • You can place the plant in the window of the north or east-facing room for getting the right amount of light.
  • If you Place it in a room with the window facing west plant or south plant to protect the plant from full sun exposure.
  • If the plant gets too much amount light it will damage the leaves of the Alocasia wentii.
How to Grow & Care for Alocasia Wentii 'New Guinea Shield'


  • The plant is being originated from rainforests where the rainfall is frequent but the soil drains well.
  • For planting you need to fulfill the same requirement for watering the plant.
  • You need to check the soil moisture and water the plant with gentle streaming.
  • Remember to stop watering the plant when the water comes out of the drainage holes at the bottom of the pot.
  • Avoid keeping the pot sit in a place where water is collected which will cause the plant root rot.


  •  The temperature of growing Alocasia wentii ranges between 55-85 (13-30ºC).
  • The plant has a bit more hardiness than other plants and which can survive in a temperature below 50ºF (10ºC).
  • You can easily meet the requirement of temperature for planting Alocasia wentii but you need to, are sure to keep them protected from the air conditioning vents or fans.
  •  If you want to keep the plant outdoors you can keep it but make sure to bring the plant indoors before the cold weather may kill your plant or damage the foliage of the leaves.
How to Grow & Care for Alocasia Wentii 'New Guinea Shield'


  • The ideal humidity for growing Alocasia wentii is pretty high which is between 60-80%.
  • Maintaining a high humidity level is not possible in a house but you can create a microclimate for maintaining the humidity to grow by placing the plant on a large pebbles tray and filling the tray with water that will help in moistening the air around the plant. 
  • If you are not able to place the pebble tray then you buy a small humidifier for maintaining the humidity.
How to Grow & Care for Alocasia Wentii 'New Guinea Shield'


  • For planting  Alocasia wentii you need soil that retains moisture as well as well draining. 
  • The soil should have a ph level range between 6.1 to 7.3.
  • According to me, you can add commercial soil mix to grow  Alocasia wentii mainly for aroid that you easily find online.
  • You can also create the soil mix on your own by combining equal parts of potting soil, perlite, and peat moss or coco coir, and for important ingredients, you can check at any nursery shop.


  •  For maintaining the growth of Alocasia wentii you need to provide the plant fertilizer.
  • You can fertilize the plant with a liquid indoor plant fertilizer with a balanced ratio of 10-10-10.
  • You need to use the fertilizer every few weeks in the growing season of spring and summer.
  • You can gently pour the fertilizer over the soil surface by diluting the liquid fertilizer twice according to the water you have mixed.

Potting & Repotting:

  • You need to repot the plant every two years most of the time as the plant is able to grow in a crowded pot also.
  • The preferred time to repot the plant is when you see that the roots of the plant are growing out of the drainage holes you need to repot the plant for maintaining the soil moisture.
  • Remember not to move the plant into a much bigger pot. The pot should be only 2 inches in diameter and bigger will stress the plant.
  • The new pot should have enough drainage holes.
  • After repotting you need to use a fresh potting mix and water it well.
How to Grow & Care for Alocasia Wentii 'New Guinea Shield'


  • In the case of growing Alocasia wentii only one time of cutting is enough for removing the dead or damaged leaves.
  • The leaves of the plant are bigger in size so if there is any damaged leave it will detract from the overall appearance of the plant so there is a high need to trim the leaves off.
  • You need to use a sharp, sterilized knife or pair of scissors for cutting the damaged stem out.
  • Avoid cutting off the stems that are healthy and supporting the healthy leaves.
How to Grow & Care for Alocasia Wentii 'New Guinea Shield'


  • You can propagate the plant by doing the division at the time of repotting.
  • For propagating the plant you can take the cutting that is able to grow to a good size.
  • Propagation done by stem cutting is able to create a root system to support growth.
  • You need to gently pull out the baby plants from the mother plant after removing the root ball from the pot.
  • Plant the baby plant into a small pot.


I have explained here in detail what to do and what not for growing and caring for Alocasia Wentii ‘New Guinea Shield’ so that the plant is able to grow into a beautiful and healthy plant that will add beauty to your house.

Becky Decker

Becky Decker, our esteemed Editor-in-Chief, is a passionate gardener with years of experience in the world of horticulture. With her guidance, aims to be your trusted companion on your gardening journey. Featured In   Becky Decker’s expertise and gardening wisdom have been recognized and featured in various prominent publications, including: Yahoonews  Experience & Background   Becky Decker’s love for gardening has been a lifelong journey. She has honed her skills through countless seasons of planting, nurturing, and harvesting a wide variety of plants, flowers, and vegetables. Her deep-rooted knowledge is complemented by her Bachelor’s degree in Horticulture from the University of Green Valley.   Prior to leading, Becky worked as a garden consultant, helping countless individuals turn their outdoor spaces into vibrant, thriving gardens. Her experience spans over a decade, making her a trusted authority in the gardening community.   The Birth of   Inspired by her passion for gardening and her desire to share her expertise with a wider audience, Becky Decker launched in 2021. This platform serves as a hub for gardening enthusiasts of all levels, from beginners to seasoned pros.   At, we are committed to providing you with comprehensive guides, expert advice, and hands-on tips to help you achieve success in your gardening endeavors. Whether you have a small balcony garden or a sprawling backyard paradise, we have the information you need to make your garden flourish.   Our Mission is more than just a gardening website; it’s a community of gardeners who share a common love for nurturing the Earth. Our mission is to empower you with the knowledge and resources to create beautiful, sustainable gardens that bring joy and tranquility to your life.   Join Us on This Green Journey   We invite you to explore and embark on your gardening journey with us. Whether you’re seeking advice on planting techniques, pest control, landscaping ideas, or the latest gardening trends, you’ll find it all right here.   Connect with us, ask questions, and share your gardening stories. Together, we’ll cultivate a thriving community of gardeners and help each other make the world a greener, more beautiful place.   Let’s dig in and grow together at, where gardening dreams bloom!

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