How to Grow
In the wild, K. tomentosa thrives in full sun to part shade. The soil is rocky, comprised primarily of granite, with a slightly acidic pH of 5.5 to 6.0.
Indoors, this species thrives in bright indirect sunlight with a room temperature of between 65 and 75°F.
Avoid drafts and wide temperature fluctuations that may cause stress to the plant and stunt its growth.
Replicate the well-draining, gritty soil of its natural habitat with a quality cactus and succulent potting medium.
I use Tank’s-Pro Cactus and Succulent Mix. With coconut husk chips, horticultural pumice, and organic compost, it has the exceptional drainage required for successful succulent cultivation.
Tank’s-Pro Cactus and Succulent Mix
Tank’s-Pro Cactus and Succulent Mix is available from Tank’s Green Stuff via Amazon in 16-quart bags.
For best results, choose a porous pot made of a material like clay. It should be one inch wider than the foliage to allow room for a watering can spout.
There should be one or more drainage holes in the bottom and you will need a drip-catching dish or saucer to place underneath.
To transplant offsets, rooted cuttings, or nursery starts, set them at the same depth as in the original container and backfill with potting medium for a firm hold.
Water using the “dry and soak” method, waiting until the pot is completely dry before giving the soil a thorough soaking.
Allow excess water to drain out before returning the pot to its dish to avoid standing water that may lead to fungal infection and rotting.
Use a moisture meter as your guide and reduce watering during winter dormancy.
Over time, potted flora depletes the soil of its nutrients. Restore them by fertilizing once in the spring and once in the summer with a liquid cactus and succulent food diluted to half strength.
Cultivars to Select
The species K. tomentosa bears the same traits as its wild ancestors. Blue-green elliptical foliage with reddish-brown margins are its signature features.
Species pandas are available from CTS Air Plants via Amazon in four-inch starter pots.
In addition to the species plant, there are a few named cultivated varieties with unique features you may like.
Here are a couple of options to consider:
Chocolate Soldier
K. tomentosa ‘Chocolate Soldier’ is a cultivated variety, which features more pointed leaf tips and dark brown, almost black edging.
‘Chocolate Soldier’ is available via Amazon in two- and four-inch starter pots and two- and four-inch clay pots.
Golden Girl
K. tomentosa ‘Golden Girl’ warms up the foliage, taking it from a cool blue-green to a warm yellow-green, while preserving the classic reddish-brown margins and elliptical leaves.
