Chapter 111 Nandina domestica
111.1 Nandina, sacred bamboo
A Nandina or sacred bamboo trained in a semi-literati style. Despite the name, Nandina is not related to true bamboos. Link to original image.
111.2 Soil: Moist Deciduous Mix
Ratio: 4 parts bark, 1 part grit
Add-ins: dolomitic limestone (~5 lbs/yd), Tree-Tone (15 lbs/yd)
pH: ~6.5 (slightly below neutral)
Moisture: Average
111.3 Light
Routine: full sun preferred, but will tolerate partial shade. Foliage often grows best in sun with some afternoon shade.
111.4 Cultivation Notes
111.4.1 Potting & Root Pruning
Repot in spring.
111.4.1.1 Top & Branch Management
Heavy pruning: Nandina will readily grow back when trunk-chopped. It will take approximately 6 weeks to leaf out again.
Fine pruning: keep pruning new growth during the growing season. Avoid cutting back shoots to the same point continually to avoid creating an unsightly bulge on the trunk.
Leaf pruning: not appropriate.
111.4.2 Feeding
Feed every two weeks throughout the growing season, monthly when inside during the winter.
111.4.3 Pests & Problems
Generally pest-free.
111.4.4 Winter Storage
Nandina is frost hardy to 27°F. Trees in pots should be brought into an unheated garage or shed to prevent freezing.
111.5 Propagation Notes
I have not tried to propagate this species.
111.6 Artistic & Styling Notes
Can be purchased in most garden centers in spring. Naturalized shrubs are fairly easy to find and can be collected in spring.
111.7 Additional Information
111.7.1 Natural History
Nandina is not a true a bamboo, but an evergreen shrub with alternate, pinnate leaves held on upright shoots that emanate from a central ‘trunk.’ It is native to mountain valleys in India, China and Japan. Nandina can be invasive in warmer areas.
111.7.2 In Cultivation
There are several cultivars suitable for bonsai cultivation. N.domestica ‘Firepower’ has yellow and red leaves as opposed to the plain green leaves of the species.
Grows in USDA Zones 6 to 9. Good fall color. Red berries provide winter interest.