Chinese Magnolia (Soulangiana)

The Chinese Magnolia (Soulangiana) is generally described as a perennial shrub or tree. This is not native to the U.S. (United States) and has its most active growth period in the spring . The Chinese Magnolia (Soulangiana) has dark green foliage and inconspicuous purple flowers, with a moderate amount of conspicuous brown fruits or seeds. The greatest bloom is usually observed in the early spring, with fruit and seed production starting in the spring and continuing until summer. Leaves are not retained year to year. The Chinese Magnolia (Soulangiana) has a long life span relative to most other plant species and a moderate growth rate. At maturity, the typical Chinese Magnolia (Soulangiana) will reach up to 30 feet high, with a maximum height at 20 years of 20 feet.

The Chinese Magnolia (Soulangiana) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by bare root, container, cuttings, seed. It has a none ability to spread through seed production and the seedlings have medium vigor. Note that cold stratification is not required for seed germination and the plant cannot survive exposure to temperatures below -8°F. has low tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Moderate
General Type Shrub, Tree
Growth Period Spring
Growth Duration Perennial
Lifespan Long
Plant Nativity Introduced to U.S.
Commercial Availability Routinely Available
Physical Characteristics
Bloom Period Early Spring
Displays Fall Colors No
Shape/Growth Form Single Stem
Drought Tolerance Low
Shade Tolerance Intolerant
Height When Mature 30
Vegetative Spread None
Flower Color Purple
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Spring Summer
Seed Spread Rate None
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Medium
Cold Stratification Required Yes
Minimum Temperature -8
Soil Depth for Roots 24
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability No
Responds to Coppicing No
Growth Requirements
pH Range 5–6.2 pH
Precipitation Range 35–35 inches/yr
Planting Density 300–800 indiv./acre
Soil Textures Medium
Soil Depth for Roots 24
Minimum Frost-Free Days 160 day(s)
Salinity Tolerance None
CaCO3 Tolerance None
Sustainability & Use
Leaf Retention No
Fire Resistant No

Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA