Sempervivum arboreum, also referred as Aeonium arborerum (Tree Houseleek), is a subtropical succulent that are local to the slopes of the Canary Islands where their normal range incorporates bone-dry desert areas. Sempervivum arboreum is a treelike houseleek wherein its woody stems branch out uninhibitedly not exceeding to 90cm (3 feet) in tallness. The 5-8cm (2-3 inch) long leaves of its rosettes are spoon-shaped and gleaming green in color. The leaf rosettes are beautifully arranged at the end of its branches.
These plants develop rapidly and produce bounteous little, star-like, bisexual, yellow blossoms on racemes from early spring through late winter. Blooms stems rise up out of the focal point of the rosettes. Every rosette that sprouts will eventually dies soon after blooming.
Sempervivum arboreum var arboreum “Tree Houseleek”
How to Grow Sempervivum arboreum “Tree Houseleek”
Cultivation: New plants can be begun from the seed. Plant Sempervivum arboreum in a moderately moist soil with satisfactory drainage. For example, a planting soil blend that has 2 parts sand, 1 part topsoil and 1 part peat moss with a bunch of gravel pieces tossed in to improve seepage.
Water the plants profoundly but not frequently. Enable them to dry completely in the middle of waterings. In the wild, these succulents go dormant in summer, so water sparingly amid hotter months, enabling the soil to dry out between waterings. In outrageous warmth, their leaves will twist, to avoid water loss. On the other hand, restrict watering during winter months into once a month or just enough to prevent the foliage from shriveling.
Soil: Utilize a soil blend made out of one part coarse sand or a substance (perlite for example) added to two parts of a standard soil based blend.
Exposition: It needs full to part sun in a shielded spot during growing period. Sempervivum arboreum plants develop well in warm rooms around 18 to 24°C (64-75°F), yet like most different succulents – they are not tropical plants. In the event that conceivable, they ought to be urged to rest amid the winter a long time by being moved to a cool spot – best around 10°C (50°F).
Propagation: Tree Houseleek plants are fast producers. They can effectively proliferated by tip cuttings in the spring. Leggy branches, in general, tend to fall over and snap off from the heaviness of the rosettes. On the off chance that this occurs, the broken stem can be utilized for propagation.
The best time to do the propagation is right off in the early growth period. Neatly separate a complete rosette with 2-4cm (0.8-1.5 inch) of stem. Dip the stems into hormone rooting powder to promotes rooting and plant it in a moistened soil blend of equivalent amounts of peat greenery and coarse sand or a substance like perlite. Cuttings will establish in two to three weeks in a warm room – 18 to 24°C (64-75°F) if provided with bright light and watered sufficiently just to make the preparing soil blends barely moist. They would then be able to be repotted in the preparing blend that is utilized for develop plants.
How to Care For Sempervivum arboreum “Tree Houseleek”
Frost hardy: It is hardy to – 2°C or somewhat less for brief periods however it needs protection from extreme winter frosts. In these circumstances, it will better to shield the plant from winter downpours, since dampness and low temperatures may render rottenness of this succulent plant. USDA Zone 9b to 12.
Light: To keep their structure, Sempervivum arboreum plants need full daylight, even during rest periods when they are not effectively developing. Too little amount of light will result in elongated, prematurely falling leaves and gap rosettes. On the contrary, too much light will resulted to sunburn, so abstain from putting Tree Houseleek in destinations with western sun exposures and give this succulent a partial shade.
Soil: Despite the fact that Sempervivum arboreum tolerates wide range of soil types – as long as it is well-drained – it inclines toward light, permeable soil. It is prescribed to change the planting site with sand and limestone chips.
Fertilization: The Tree Houseleek doesn’t require much compost. Use liquid fertilizer about every two weeks during the active growth period only.
Pests and Diseases: Sempervivum arboreum plants are deemed susceptible to infestations of insects pests like aphids, mealy bugs, scale bugs and thrips.
Remarks: Sempervivum arboreum are regularly mistaken for Echeverias species or other a few rosette-like succulents, for example, Dudleyas, Graptopetalums, Pachyverias and Graptoverias species. One thing that separates this plants is the manner in which their leaves append to the stem – they are folded over the stem with a stringy connection so when a leaf is pulled away, the stem is unblemished with just a transverse line demonstrating where the leaf was joined. The other rosette Crassulaceas have succulent connections and their being pulled off the stem leaves a divot in the stem..Sempervivum arboreum make amazing summer bedding plants, since their architectural shape stands out well from most other bedding plants. They can likewise be utilized adequately planted in containers and grown indoors. You may opt to developing them as part of cactus or succulent display. Sempervivum arboreum is a tall variety with bonsai like look when they get shrubby. They can be cut on the off chance that they get leggy.