Rhus Glabra which is also known as Smooth Sumac belongs to the family Anacardiaceae.
Overview of Rhus Glabra
• Rhus glabra is a small tree or shrub.
• It is an evergreen shrub.
Rhus glabra native to North America, from:
– Southern Quebec west to southern British Columbia in Canada
– South to northern Florida
– Arizona in the United States
– Tamaulipas in northeastern Mexico
• Rhus Glabra or Smooth sumac is a spreading and an open-growing shrub.
• It can grow up to a height of 3 meters (9.8 ft) tall and it goes up to 5 meters (16 ft) rarely.
• The leaves are alternate.
• They are 30–50 cm long.
• The leaves are compound with 11-31 leaflets.
• Each leaflet is about 5–11 cm long.
• The leaves turn scarlet in the fall.
• The flowers are tiny and green.
• The flowers arise in dense erect panicles that are 10–25 centimeters tall.
• They flower in the spring.
• The buds are small and covered with brown hair.
• They are borne on fat, hairless twigs.
• The bark on older wood is smooth and grey to brown.
Scientific classification for Rhus Glabra
• Kingdom: Plantae
• (unranked): Angiosperms
• (unranked): Eudicots
• (unranked): Rosids
• Order: Sapindales
• Family: Anacardiaceae
• Genus: Rhus
• Species: R. glabra
Growing and Caring conditions for Rhus Glabra
• Look for plants at nurseries.
• Get them in spring and summer.
• They can be brought all year-round in warmer climates.
• Choose healthy-looking plants.
• A healthy plant has signs of new leaves and flower buds.
• Buy Rhus plant in 1-gallon containers.
• Choose a site.
• The site should receive full sun.
• The site should have a well-drained soil.
• The plant can tolerate partial shade.
• Dig a hole for each plant.
• This hole should be no deeper than the soil in which the plant was growing.
• Dig planting holes.
• These holes should be spaced three feet apart.
• Add a light application of organic fertilizer.
• Apply it to each planting hole.
• This should be done before setting the plants in.
• Mulch around the plant and not on top of the plants.
• Mulch it with 3 inches of organic compost.
• Water until the soil is completely moist.
• Water weekly the first summer only.
• Rhus plant does not need extra water once it is established.
• Prune out selected stems.
• Do so for the size.
• Prune if they are damaged.
• Prune it using by-pass pruners or a pruning saw.
• Do cut the stem off all the way back to the joint of the stem or where it joins another stem.
• Rhus plants make a good high ground cover for slopes.
• They look well along the top or bottom of a wall.
• They go well in a hot, sunny location.
• Rhus plants usually spread 6 to 8 feet all around.