Groundsel
Groundsel (Senecio spp.) is an evergreen perennial prized for its dense and lush foliage. Groundsel has a tough and woody stem which produces attractive, gray-green, toothed leaves, growing in a low-growing, mat-like pattern. Groundsel is a low maintenance and tolerant plant that blooms with small yellow or white flowers in summer. Widely known as a ground cover or garden weed, it is also a popular houseplant that is grown in containers. It thrives in the right conditions and is relatively hardy, making it an ideal indoor plant.
Groundsel appreciates consistently moist soil and even slightly dry soil can stress the plant. Check the soil regularly -- when the surface begins to look and feel dry, water until you see some dripping from the bottom of the pot. This will prevent the water from building up in the soil and causing root rot. Water less in winter when the plant is dormant.
Groundsel thrives in bright, indirect light. While it will tolerate lower light levels, it requires a bright location to keep it compact and lush. Place your Groundsel where it will receive bright, indirect light. Avoid direct sunlight as it may burn or damage the plant. Keep the plant away from drafts, heaters and air conditioners.
In general, Groundsel can easily handle average home temperatures, between 65-75°F (18-24°C). This plant is moderately tolerant of cooler temperatures, down to 45°F (7°C). Keep the plant away from drafts and air conditioners, and it will do fine in both winter and summer.
Groundsel prefers higher levels of humidity and benefits from regular misting. Increase the humidity when the temperatures are higher, particularly in the summer and in dry climates. To increase the humidity, use a humidifier or place the pot on a tray filled with small rocks or pebbles and water. This will help to increase the ambient humidity around the plant.
Groundsel prefers a well-draining soil mix, with something added for more aeration. Succulent- and cactus-formulated potting soils are best as they usually contain extra aeration and absorb moisture quickly. Re-pot regularly and replace the soil mix when it gets too old and depleted of nutrients.
Groundsel is not a heavy feeder and doesn't need regular fertilization. To keep the plant healthy and thriving, feed with a well-balanced succulent fertilizer every four weeks in the growing season (spring to summer). Avoid fertilizing during the colder periods as it may cause root burn. Additionally, water lightly before and after fertilizing to reduce any risk of fertilizer burn.
Groundsel can easily be impacted by pests, such as aphids and mealybugs. To prevent an infestation, inspect the plant regularly and take immediate action if you spot any pests. Treat the plant with a pest repellent using a cotton swab dipped in rubbing alcohol. Repeat the treatment as needed, making sure to reach all parts of the plant. If the plant is heavily infested, dispose of it in the trash, as trying to save it may spread the infestation to other plants.
Groundsel should be repotted every one to two years, preferably during the late winter or early spring (before the growth season). As with any plant, check for signs of root rot before repotting. Lift the plant from its pot and examine the roots. If the roots appear rotten, discard the plant and purchase a new one. Use a well-draining potting mix, preferably one formulated for succulents or cacti.
Groundsel does not need to be pruned, unless you want to control its growth or contain its size. To control its growth or size, trim back the stems to the desired length and shape. As with any pruning, make sure to wear gloves and use sharp, sterilized pruning shears. Remove any damaged, dead or diseased stems and foliage.
Groundsel does not need mulching. It is slow-growing and does not need additional nutrients and organic matter outside of what is provided by the potting soil. If desired, a thin layer of mulch can be used to help retain moisture in the soil.
Groundsel can be propagated from cuttings or division. To propagate from cuttings, take 3-inch stem cuttings in early spring and root them in a moist mix. Once the roots form, transplant them into individual pots. Division is simple, as clumps of Groundsel can be easily dug up and divided into smaller sections. Replant the sections in individual pots using fresh potting soil.
Groundsel is prone to getting leggy but can be kept neat and compact if the right support is given. The plant does not need a stake unless it has grown too top-heavy and the stems are drooping. Place a stake or other support in the pot and tie up the stems to keep them upright and neat.
Groundsel does not require a rest period but may lose its vigor if grown in the same pot for too long. If the plant begins to lag, trim back any overgrown foliage to encourage new growth. If desired, you can also let the plant become semi-dormant by keeping it in a cool spot (about 55°F/12°C) and reducing the water. This will help the plant to rest and increase its vigor and growth.
Groundsel is not considered toxic to pets, but it should still be kept away from pets and small children. Avoid ingestion and contact with the plant, as it may cause skin irritation.
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