Oscularia deltoides, Deltoid Leaved Dew Plant, is an unusual low-growing South African succulent with stunning glaucous foliage that is three-sided in shape with tips that are tinged with red. The new growth on the stems is also pinkish-red and turns woody with age, creating a low but upright many branched ground-cover covering itself in pink flowers in the summer. The contrast between the blue-grey leaves and the pink ice plant flowers with their yellow anthers is a visual treat.
Oscularia deltoides makes an ideal ground-cover in a warm sheltered aspect that has a very free-draining gritty and sandy soil. Throughout the summer months it apprecates a good cloud-given drink but extra watering is only necessary in the UK in the hottest of summer weather. It will take a few degrees of sub-zero temperatures and is best placed in a sheltered position ideally on a gradient - perhaps with some overhanging protection - or growing in the nooks and crannies of a stonewall or spilling out over the edge of a vertical drop. It looks fabulous is a low shallow terracotta bowl where the blue triangular wedge-like foliage contrasts well with the colour of the earthernware. Although the stems become woody and tend to grow in an upright manner, it can be grown as a hanging plant with the lengthening branches draping down over the sides of a basket or a tall longtom pot. Container-grown plants can be brought indoors and kept dryish to just-moist through the winter.
|Geographical Origin||South Africa|
|Cultivation||Full sun. A free-draining sandy or rocky soil. Needs little watering. Completely dry in winter. A good houseplant|
|Eventual Height||Low groundcover to 35cm|
|Hardiness||Cold-tolerant. Hardy in some southerly British regions if given excellent drainage ideally in a raised bed, a steep gradient or a stonewall. Can be protected with fleece if necessary. Otherwise, grow in containers and bring indoors keeping just moist|
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