Aloe marlothiiis a noteworthy unbranched tree , easily recognize by its large panicle of horizontal racemes . It can be easily confused with Aloe excelsa , Aloe ferox , and Aloe africana when not in flower .
Aloe marlothiiA. Berger
Flat - blossom Aloe , Mountain Aloe , Spiny Aloe , Transvaal Aloe , Tree Aloe

A mature plant in bloom in its habitat, Kruger National Park, Limpopo, South Africa. Derivative of a photo byneilnicholas. Licensed underCC BY-NC 4.0.
Aloe marlothiisubsp.marlothii
Family : AsphodelaceaeSubfamily : AsphodeloideaeGenus : Aloe
The specific name " marlothii " ( enounce mar - LOTH - ee - eye ) honorsRudolf Marloth(1855 - 1931 ) , a German - born South African botanist , pharmacist , and analytic chemist , best recognize for his Flora of South Africa .

In habitat, Sterkfontein DMA, Gauteng, South Africa. Derivative of a photo byGrant Egen. Licensed underCC BY-NC 4.0.
Aloe marlothiiis native toSouth Africa(North - West , Gauteng , Limpopo , Mpumalanga , and KwaZulu - Natal),Eswatini , Mozambique , Zimbabwe , andBotswanaand can be found in a wide-eyed variety of habitats at elevations from ocean level up to 5,250 foot ( 1,600 m ) .
Aloe marlothiiis a large succulent with lance - form leaves put in a dull rosette at the tip of a simple stem turn . The stem is insure with persistent old dry leaf remain and can grow up to 4 feet ( 13.1 mebibyte ) grandiloquent and 10 inch ( 25 cm ) in diameter , although sometimes it can reach a elevation of 2 feet ( 6 m ) . The leaves are sluggish greyish - green to glaucous , often tinged ruby-red , and have scattered reddish - brown spine on both surface , especially the lower aerofoil . They are deeply channeled , incurved to spreading or slightly recurve with age , and can measure up to 5 metrical unit ( 1.5 m ) long and 10 inches ( 25 centimetre ) widely . The margins of the farewell are armed with hardy , deltoid , reddish - browned teeth .
From late surrender to former spring , Aloe marlothiiproduces an attractive pronged flowering with 20 to 30 raceme of favorable - yellowness to orange or reddish - Orange River blossom . The Inflorescence is erect and can grow up to 32 inch ( 80 cm ) tall above the rosette . The raceme can accomplish up to 20 inches ( 50 cm ) in duration and 2.4 inches ( 6 centimetre ) in width , with the flowers arranged more or less along the upper side of the arm . The subcylindrical flowers can measure up to 1.4 in ( 3.5 centimeter ) long and 0.3 inches ( 0.7 cm ) in diam .

In cultivation, Waldorf, Maryland, United States. Photo by Diane Loftus. Used with permission. All rights reserved.
ignitor : When growingAloe marlothiiindoors , place it in a windowpane with plenty of bright , collateral sunlight . turn out the pot once or twice a hebdomad to ensure all side of the plant receive adequate lighting . Outdoors , the plant prefers loose tad , especially during the red-hot parts of the Clarence Shepard Day Jr. .
Soil : enceinte drain is essential for growing this plant because too much moisture for an extensive menstruation can induce source rot . Use commercial-grade soil for succulents ormake your own well - drain mix .
Temperature : When temperature shift below 50 ° F ( 10 ° light speed ) , it is clip to convey this plant in spite of appearance . It tolerates heat middling well but will not survive a voiceless Robert Lee Frost . Aloe marlothiigrows right inUSDA Plant Hardiness Zones9a to 11b , with middling minimum wintertime temperature ranging from 20 to 50 ° F ( -6.7 to 10 ° C ) .

In cultivation, Durban, KwaZulu-Natal, South Africa. Photo by Ben Botha. Used with permission. All rights reserved.
lachrymation : This plant life need steady watering but can tolerate drouth conditions for scant catamenia . Water deeply , but only when the ground is completely wry to the touch , and do not allow weewee stand in the rosettes . snub back onwateringduring the winter calendar month .
fecundate : Although it in the main does not call for fertilizer , Aloe marlothiiwill benefit from additional nutrients . Use a water - soluble plant food diluted to half the recommend strong suit .
Repotting : Repot only as need during spring . Pick a container that is one size larger and has drainage holes .

A young plant in cultivation, Manila, Philippines. Photo by Argie Salango. Used with permission. All rights reserved.
Propagation : SinceAloe marlothiiis a works with a lonely growth habit , it can only be propagated by seeds during tender month .
get a line more atHow to Grow and Care for Aloe .
Aloe marlothiiis non - toxic to citizenry but can be mildly to moderately toxic to pets .

Racemes. In habitat, Ladysmith, KwaZulu-Natal, South Africa. Derivative of a photo byPeter Warren. No rights reserved.
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In habitat, Bojanala, North West, South Africa. Derivative of a photo byReuben Heydenrych. Licensed underCC BY-NC 4.0.