Huernia zebrina
With spreading, spineless stems, lifesaver cactus (Huernia zebrina) is a unusual succulent.
Gracing a windowsill, trailing from a dangling basket, or serving as floor cowl, the shiny crimson facilities and tiger-striped petals of the flowers are uniquely mesmerizing!
Lifesaver cactus is an evergreen succulent that has branching, leafless stems lined with spikes.
These spikes might appear to be spines, however they don’t seem to be sharp to the contact, and regardless of its widespread title, H. zebrina shouldn’t be a real cactus!
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Often known as lifebuoy huernia, owl eyes, little owl eyes, and zebra-striped huernia, the stems have 4 to 6 angles, and are inexperienced, turning reddish purple when uncovered to intense mild or cool temperatures.
Able to be taught extra about this distinctive succulent? Right here’s what I’ll cowl:
These succulent crops attain three to 6 inches tall and have a creeping progress behavior, spreading to 12 inches huge or extra.
On the base of the stems is the place the intriguing flowers seem, in pairs or small clusters.
These blooms are pretty giant – measuring between one and three inches huge – and are star-shaped, with yellow and crimson tiger stripes or mottling, and a shiny spherical ring on the heart, inspiring the plant’s widespread title.
Fast Look
Frequent title(s): Lifesaver cactus, lifebuoy huernia, owl eyes, zebra-striped huernia
Plant kind: Evergreen succulent
Hardiness (USDA Zone): 10b-11b (open air)
Native to: Mozambique, South Africa, Swaziland, Zimbabwe
Bloom time / season: Spring, summer time
Publicity: Full solar, mild shade
Soil kind: Succulent/cactus rising medium, effectively draining
Soil pH: 6.1-7.8, barely acidic to barely alkaline
Time to maturity: 2-5 years
Mature dimension: 12 inches huge x 3-6 inches excessive
Greatest makes use of: Hanging baskets, houseplant, floor cowl, xeriscaping
Taxonomy
Order: Gentianales
Household: Apocynaceae
Genus: Huernia
Species: Zebrina
Prepared for a much less picturesque element?
Because the flowers are pollinated by flies, they give the impression of being – not less than, glancingly – like rotting flesh.
However these flowers don’t stink, not like these of a number of the kin of this species.
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If they’re pollinated, the flowers will give option to giant seed pods that may ripen, dry, and break up open.
Very similar to milkweed seeds, the seeds of H. zebrina have bits of fluff on them, which permits them to be dispersed by the wind.
This fascinating succulent is native to what’s arguably the hotspot of succulent biodiversity on this planet – the southern a part of Africa, the place it grows in Mozambique, South Africa, Swaziland, and Zimbabwe.
In these areas, H. zebrina populations happen amongst rocky limestone soils or onerous loam soils in dry scrubland.
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H. zebrina is classed botanically throughout the Apocynaceae or dogbane household, associated to members of the family that will appear surprising – hoyas, string of hearts, and milkweed!
Throughout the dogbane household, lifesaver cactus is grouped into the taxonomical subtribe Stapeliinae.
The members of this subtribe are often called stapeliads – and embody different related wanting succulents corresponding to starfish flower (Stapelia grandiflora) and Orbea variegata.
Lifesaver cactus makes a superb houseplant on a sunny windowsill or beneath a develop mild.
And mature specimens can be used as hanging and trailing succulents in hanging baskets.
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You may also embody it in a blended succulent planter, or in case you’re feeling fairly whimsical, in a succulent fairy backyard!
Open air in USDA Hardiness Zones 10b to 11b, lifesaver cactus might be cultivated in a container, or planted in a xeriscape as a floor cowl so long as you present glorious drainage and safety from considerable rainfall.
The right way to Develop
To efficiently develop lifesaver cactus you’ll want to supply the suitable mild, water, and soil.
You’ll additionally need to learn about its temperature necessities, significantly in case you are rising open air for half or all the 12 months!
Let’s begin with mild.
Gentle
Lifesaver cactus wants 4 to eight hours of direct daylight to thrive.
Whether or not you’re rising indoors or out, that direct solar publicity needs to be through the morning and night, fairly than when the solar is at its hottest.
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Should you’re holding it open air for all or a part of the 12 months, remember to select a spot so it receives filtered mild through the hottest a part of the day.
Indoors, a south dealing with window is your finest guess, though you could want to hold a sheer white curtain for the most popular a part of the day.
Are you utilizing a develop mild as a substitute of or as a complement to direct solar publicity? Be certain the plant is getting not less than 800 foot candles as an equal to that direct solar.
Unsure how you can measure foot candles? Use a lightweight meter!
Soil and Containers
Lifesaver cactus wants a considerably gritty potting medium to supply good drainage, and it ought to have a pH of between 6.1 and seven.8.
When selecting a container, the very first thing to search for is that it has drainage holes, a should when tending to any succulents.
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These crops don’t have deep roots, so shallow succulent planters which can be wider than they’re deep will work completely, plus giving them the lateral house to increase right into a clump.
For rising medium, you’ve got choices – lifesaver cactuses aren’t significantly fussy so long as they’ve good drainage.
Chances are you’ll need to make your individual succulent combine, utilizing roughly 50 p.c cactus and succulent soil with roughly 50 p.c further grit corresponding to pumice added.
I like to make use of Rosy Soil Cactus and Succulent combine, which is offered in four-quart baggage by way of Walmart.
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Rosy Soil Cactus and Succulent Combine
Should you dwell in a very arid location, you may need to skip including further grit to the succulent and cactus soil, since it should dry out extra shortly than in areas with further humidity.
Water
Permit the rising medium to dry totally or nearly totally between waterings – there’s a little bit of flexibility right here. Should you use a moisture meter, the needle ought to level to the dry vary.
If unsure, err on the aspect of under- fairly than overwatering.
Whenever you’re able to water, use the underside watering method or water the floor of the soil with a slim spouted watering can.
Should you hold your plant sitting on a saucer, be certain that to empty it after watering, to keep away from root rot.
Temperature and Humidity
Lifesaver cactus will thrive with humidity ranges between 40 to 50 p.c.
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And whereas some gardeners declare to have the ability to hold lifesaver cactus open air at temperatures all the way down to 42°F, to be secure it is best to carry them indoors whereas temperatures are nonetheless above 50°F.
In case your lifesaver cactus is uncovered to temperatures round 50°F, remember to hold the potting medium or soil dry, since cool, moist situations can result in rot.
The place to Purchase
You’ll be able to usually discover lifesaver cactus accessible at shops specializing in succulents or from on-line distributors.
Lifesaver Cactus
You should purchase an H. zebrina specimen in a four-inch pot from Wekiva Backyard Foliage by way of Amazon.
Along with the species plant, there’s a cultivated selection, H. zebrina ‘Variegata.’
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With the identical fascinating flowers, this cultivar has yellow and inexperienced mottled stems.
Variegated lifesaver cactus isn’t as straightforward to search out because the species plant, so test with sellers specializing in stapeliads if this one is in your succulent want listing.
Upkeep
Should you had been hoping for a low upkeep succulent, with lifesaver cactus you’ve obtained it!
For essentially the most half, you received’t have to fret about eradicating spent foliage, as you’d with echeverias.
Nonetheless, do snip off spent flowers as you see them with a pair of fresh, sterilized scissors or backyard snips to keep away from spreading illness.
Fertilizing
To offer lifesaver cactus with vitamins, use a mild fertilizer formulated for succulents, corresponding to Dr. Earth’s Succulence Cactus and Succulent Plant Meals.
Apply the fertilizer solely through the rising season, following the producer’s directions.
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Dr. Earth Succulence
Dr. Earth Succulence is offered in 16-ounce pump bottles from Arbico Organics.
You’ll be able to be taught extra about fertilizing succulents right here.
Repotting
Each two to 3 years you’ll need to repot or not less than clean up the rising medium if the plant hasn’t outgrown its container.
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If the lifesaver cactus is rising within the improper kind of rising medium, one which lacks drainage, it’s smart to modify out the rising medium instantly.
If the plant is changing into root sure, with its roots filling the pot, it is best to transplant to a barely bigger container, whatever the time you final repotted.
To repot, take away the lifesaver cactus from its present container. If you’re transplanting into the identical kind of medium that was used beforehand, loosen up the outer roots only a bit.
If you’re switching to a special kind of potting medium, take away as a lot of the previous medium as doable from across the roots.
Place the basis ball centered into the brand new pot, and maintain the plant in place in order that the floor of the soil will likely be a few half an inch to an inch under the rim of the container.
Then fill in across the sides of the basis ball with rising medium.
Gently tamp the medium down, and wait per week earlier than watering.
PropagationÂ
Lifesaver cactus might be propagated from seeds or from stem cuttings.
Right here’s how:
From Seed
For this mission you have to some small nursery pots or a seed-starting tray, cactus and succulent rising medium, and – after all – some seeds.
- Fill your pots or seed-starting trays with rising medium, leaving a half inch to an inch hole between the floor and the rim of the pot or tray.
- Sow the seeds on the floor of the medium one to 2 inches aside, however don’t cowl.
- Spray with a mister in order that the seeds and rising medium are moist however not soggy.
- Place the pot or tray beneath a humidity dome. You are able to do this by putting a nursery pot inside a sealable plastic bag, or placing a number of pots or a tray into a transparent plastic bin.
- Discover a location in shiny, oblique mild, and hold them heat, between 77 to 86°F – utilizing a warmth mat if obligatory.
- After the seeds germinate – inside per week or two – take away the pot or tray from the warmth mat, and progressively transition the seedlings to decrease humidity and extra intense mild.
- Permit the seedlings to maintain residing in the identical pot or tray for a 12 months or extra, till they’re too crowded and require transplanting.
Our information to beginning succulents from seed has step-by-step directions.
From Stem Cuttings
One of the best time to propagate lifesaver cactus from stem cuttings is in spring or summer time when situations are heat.
When taking cuttings, skip the blades and easily twist branches off on the elbow.
In case you have a protracted chopping – six inches or longer – you possibly can reduce it in half to make two cuttings, simply remember to bear in mind which finish goes up, and use clear, sterilized scissors or backyard snips to chop it.
Permit the cuttings to callus over in a dry location out of direct daylight for a few week.
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The eliminated branches might have already got aerial roots, which can assist them take root when planted.
Along with cuttings, you’ll additionally want rising medium and pots.
You should use quite a lot of pot sizes, relying on what number of cuttings you’ve got. A 3-inch pot is an effective dimension for a bunch of three cuttings.
When the cuttings have callused, fill the pot or pots with potting medium till the soil is about two inches under the rim of the pot.
Beginning on the heart, poke holes into the medium a few half an inch or so aside, and insert the stems about an inch or so deep.
Tamp down the soil across the cuttings firmly, to assist hold the stems upright.
Situate the pot in a location the place the cuttings will obtain shiny, oblique mild.
Fairly than watering the cuttings instantly, wait till they present indicators of latest progress since they don’t have roots but.
If the branches you’re planting have already got aerial roots, you possibly can go forward and water instantly.
The lifesaver cuttings needs to be well-rooted inside a month or so. At this level, begin watering as you’d an grownup specimen and transition the succulent to elevated mild publicity.
Our information to propagating succulents has extra info.
Managing Pests and Illness
The one kind of insect pests you’ll have to fret about with these crops are mealybugs that are keen on feeding on their comfortable stems.
Whenever you first carry your lifesaver cactus dwelling – or earlier than you buy it, if doable – examine the stems fastidiously for fluffy, white residue, an indication of mealybugs.
Additionally elevate the plant out of its pot and test the roots for root mealies, a kind of pest that hides within the soil, sucking vitamins from the roots.
They’ll be seen on the outer fringe of the basis ball in the event that they’re current.
Whether or not above soil or under, mealybugs suck vitamins from crops, weakening them, and may ultimately kill these crops if left untreated.
Our information to managing mealybugs has extra details about these pests.
If it’s too late and you have already got an infested lifesaver plant in your arms, don’t panic!
Neem oil is sort of efficient at eradicating these pests so long as you’re thorough and in keeping with remedies.
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Monterey Neem Oil
Want some neem oil? Monterey’s Neem Oil Focus is offered in quite a lot of sizes by way of Arbico Organics.
Spray down your complete plant with neem oil, together with the rising medium, diluted in keeping with the producer’s directions.
Maintain the plant out of direct daylight for just a few days following therapy because the oil may cause the plant to scorch.
Repeat remedies for six to eight weeks, and the mealies needs to be gone!
The primary illness you’re more likely to encounter is rot, on account of overwatering, inadequate drainage, or utilizing a poorly draining or compacted rising medium.
Study extra about how you can cope with rotting succulents in our information.
Save a Succulent Life
Keep in mind to supply plenty of direct daylight, permit the medium to dry out between waterings, and develop in a gritty, well-draining potting medium.
Add to that some vigilance for mealybugs, and this stapeliad will produce a great deal of spiky stems and attention-grabbing flowers.
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Do you’ve got any remaining questions on rising these succulents? Or do you’ve got any rising ideas of your individual you’d care to share with our readers?
Go away your questions, feedback, and lifesaver cactus pictures within the feedback part under!
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