Haworthia cooperi var. truncata - Alien Eggs
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Highlights
Alien Eggs (Haworthia cooperi var. truncata) (Jacobsen) (aka Alien Eggs): A small, freely offsetting rosette from South Africa. It has particularly bulbous, fleshy leaves and thin skin lined with light veins. It is usually a blue-green but will turn coppery red with exposure to direct sun and drought. The leaves are translucent to let sunlight irradiate the leaf interior, and this gives the plant a juicy, bubble-like appearance. This is a small, slow-growing plant and often does not fill the 2.0" pot in which it is shipped.
Haworthia are able to tolerate low, indoor light, making them excellent houseplants, even for beginners. They are particularly easy to grow and rarely affected by common succulent pests and diseases. Strong, drought-tolerant roots will grow if they have great drainage and infrequent water. Pick deep containers with drainage holes and a gritty, well-draining soil that is 50% to 70% mineral grit (coarse sand, pumice, or perlite). Water deeply enough for water to run out the drainage hole and allow the soil to completely dry before watering again.
This genus tolerates high heat by slowing down and eventually going dormant in the peak of summer. This means that, unlike other succulents, it is important not to over-water or fertilize during summer dormancy and water a bit more frequently in the winter growing season. Haworthia are slow growers and tend to stay small in pots, but they will produce new offsets in clumps around their bases. These offsets can be left to develop into a dense clump or pulled off and transplanted.
Product Size
2.0" Pot
Current Primary Color
Blue / Blue-green
All Seasonal Colors
Orange / Copper
Bloom Color
White Bloom
Grow Zone (Hardiness)
Zone 10 (30F)
Recommended Light Conditions
Low Indoor Light
Maximum Height
3"-5"
Maximum Rosette Size
3"-4"
Growth Habit / Shape
Loose Rosette
Seasonality
Summer Dormant Partial
Special Characteristic
Pet Safe, Slow Grower
THIS PLANT IS HARDY IN ZONES 10+
10
WHAT IS MY HARDINESS ZONE?
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Questions & Answers
Popular Questions
• Staff Answer
Hi there!
Haworthia cooperi var. truncata doesn't have variations that are specific colors even though some plants do differ in color.
This has more to do with their environment rather than the variety of plant in question. They'll turn red/orange to varying degrees depending on how much sunlight and water they get. The more sun and less water they get, the more red/orange they'll become, as a general rule.
However, be careful when you're doing this as this particular plant can be sensitive to harsh sunlight! I hope this helps!
Haworthia cooperi var. truncata doesn't have variations that are specific colors even though some plants do differ in color.
This has more to do with their environment rather than the variety of plant in question. They'll turn red/orange to varying degrees depending on how much sunlight and water they get. The more sun and less water they get, the more red/orange they'll become, as a general rule.
However, be careful when you're doing this as this particular plant can be sensitive to harsh sunlight! I hope this helps!
• Staff Answer
They are not poisonous, however, I haven't tasted one so I can't comment on that. I hear however, that some Haworthia hybridizers would eat their less attractive hybrids just to get rid of them. Beyond this, I haven't heard of them being regularly eaten. I doubt they taste very good.
If you do order one from us, I don't recommend trying to eat it because we do use pesticides.
If you do order one from us, I don't recommend trying to eat it because we do use pesticides.
• Staff Answer
Haworthia cooperi var. truncata can have bits that look like spines at the tips of the leaves but these aren't sharp or even stiff and they tend to lose these cilia with age. Some of ours have these cilia and some had these cilia, but lost them.
• Staff Answer
It really depends on your environmental conditions. Haworthia can slow down (partial dormancy) or temporarily stop growing (full dormancy) in response to high heat and drought. This is their natural cycle in the wild, but it doesn't always translate perfectly in cultivation, especially if you grow your Haworthia indoors.
• Staff Answer
The two are similar in appearance but they are different species. Haworthia cooperi var. truncata has consistently larger leaf windows and blooms.
• Staff Answer
Shop Succulent Soil Here
Succulents need grittier soil than other plants because they are adapted to dry conditions and store water in their leaves. Regular potting soil mixes stay damp for long periods of time, which can cause rot in succulents. Instead, use a sandy, well-draining soil so you can water thoroughly without leaving your succulent in standing water.
IN POTS…
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• Staff Answer
Our plants can be transplanted immediately upon arrival.
If you want to wait to transplant, they can remain in their original containers for up to a month. If the pots came in a plastic carrier tray, remove the pots from the carrier tray prior to the first watering.
Keep the plants indoors near a sunny window or outdoors under a roof (only if outdoor temperatures stay above your succulent's minimum hardiness temperature). Water only after the soil is fully dry by drenching from above with a faucet, hose, or watering can. Gently shake excess water from the leaves and allow containers to drain completely.
• Staff Answer
Fertilizing is not necessary, but it is a good option for succulent growers who want to encourage faster, larger growth. It can be used on mature plants with established roots. Only fertilize in the growing season (spring and summer for most varieties) to avoid weakening or burning dormant plants. Use a light touch and make 2-3 applications of low-Nitrogen, diluted fertilizer each year (N-P-K ratio around 5-10-10). You can find specially-formulated cactus / succulent fertilizers in most garden centers or go organic with compost tea or bone meal.
Example: Miracle-Gro Quick Start, diluted to half strength
• Staff Answer
Succulents need deep, infrequent watering, especially during their growing season and when they are young and establishing roots. Only water after the soil is completely dry and the plant feels less firm. Err on the side of underwatering. Watering too frequently is the most common way to kill succulents.
HOW TO WATER SUCCULENTS
- Drench from above using a faucet, hose, or watering can
- Do not mist with a spray bottle (the only exception is for Air Plants)
- Water until it drains from the container's drainage hole. If your container does not have a drainage hole (not recommended), use about 1/3 the volume of the container…
• Staff Answer
Different succulent varieties have different light needs. You can find the Recommended Light Conditions on each variety's page by scrolling down to the Product Details. We use four categories of recommended light, and some plants can thrive under a range of light conditions.
LOW INDOOR LIGHT
- Can grow indoors without direct sun.
- Placing outdoors in direct sun or on sunny window sills might cause dark burns.
- There are a limited number of succulent varieties that thrive in low light, notably Haworthia, Gasteria, Peperomia, and some Jade…
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Overall Rating
100%
of customers that buy this product give
it a 4 or 5-Star rating.
April 15, 2025 by Cindy C. (RI, United States)
“Mountain Crest never disappoint.
They deliver faster then I expect.
This plant it small but hardy!
.”
They deliver faster then I expect.
This plant it small but hardy!
.”
Thank you MCG
December 5, 2024 by karen A. (Tennessee, United States)
“These are so cute, I am so glad I bought them.”
April 14, 2024 by Kirsten R. (CA, United States)
“Mine was smaller than expected, but beautiful nonetheless! It came with two little ones growing off the main plant, which was an added bonus.”
