Jeffersonia Plant genus members are hardy perennials that are native to woodlands.
They bear twin lobed leaves and cup shaped flowers of white or purple that come into bloom in the spring.
Some of the common names for Jeffersonia include Rheumatism root, Twinleaf, and Manchuria.
Photographs: Jeffersonia diphylla by Jason Sturner 72, CC; and Twinleaf by Bville.
Common Names: Twinleaf, Manchuria, Rheumatism root.
Life Cycle: Hardy perennial.
Height: 4 to 12 inches (10 to 30 cm).
Native: Northern America. Asia.
Growing Region: Zones 5 to 8.
It is best to grow Twinleaf, Rheumatism root and other Jeffersonia members outdoors.
They should be sown using fresh seed at the beginning of autumn into flats containing rich, peaty soils.
Once sown lightly cover the Jeffersonia seed with soil, then place the flat in a shady part of the garden, and keep covered in glass.
It can take two years to germinate the seeds so be patient. During this long germination period, be sure to keep the soil moist.
Once seedlings of Rheumatism root emerge, they should be planted about 15 to 20 cm (6 to 8 inches) apart into a shaded part of the garden.
It is important that the soil is not limy, but a rich and peaty wood soil.
It is best to mulch the plant in order to keep roots cool. Jeffersonia will not grow successfully in hot areas.
If you require more plants then they can be divided in the spring or autumn once established.
The Jeffersonia genus is very small, containing just two species. These plants are also known as Twinleaf, due to their unique leaf shape.
Jeffersonia makes a lovely garden plant, particularly for a woodland or shade garden. They have delicate white flowers and unique foliage.
The species Jeffersonia diphylla is commonly grown in gardens for its interesting leaf shape, its and lovely white flowers.
Plants in the Jeffersonia genus are not particularly known for their fragrance.
Jeffersonia prefers a shaded location with rich, well-drained soil. It is an excellent plant for a woodland or shade garden.
Currently, Jeffersonia species are not considered invasive in the USA.
Jeffersonia can be removed by carefully digging up the entire plant, making sure to remove all of the roots to prevent regrowth.
The Jeffersonia genus, part of the Berberidaceae family, comprises perennial herbs native to East Asia and North America. Known for their delicate, cup-shaped flowers and distinctive, divided leaves, these plants are often used for shade gardens.
Jeffersonia plant prefers to grow in a location with partial to full shade, and a moist, well-drained soil rich in organic matter. Regular watering is essential. Propagation is typically done through seeds or division, in the spring or fall.