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Littleleaf Mock Orange (Microphyllus)

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Littleleaf Mock Orange (Microphyllus)

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The Littleleaf Mock Orange (Microphyllus) is generally described as a perennial shrub. This is native to the U.S. (United States) has its most active growth period in the spring and summer . The Littleleaf Mock Orange (Microphyllus) has green foliage and inconspicuous white flowers, with a moderate amount of conspicuous black fruits or seeds. The greatest bloom is usually observed in the spring, with fruit and seed production starting in the summer and continuing until fall. Leaves are not retained year to year. The Littleleaf Mock Orange (Microphyllus) has a moderate life span relative to most other plant species and a moderate growth rate. At maturity, the typical Littleleaf Mock Orange (Microphyllus) will reach up to 15 feet high, with a maximum height at 20 years of 10 feet.

The Littleleaf Mock Orange (Microphyllus) is usually not commercially available except under contract. It can be propagated by bare root, container, cuttings, seed. It has a slow 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 -23°F. has high tolerance to drought and restricted water conditions.

Plant Basics
Category
Growth Rate Moderate
General Type Shrub
Growth Period Spring, Summer
Growth Duration Perennial
Lifespan Moderate
Plant Nativity Native to U.S.
Commercial Availability Contracting Only
Physical Characteristics
Bloom Period Spring
Displays Fall Colors Yes
Shape/Growth Form Multiple Stem
Drought Tolerance High
Shade Tolerance Intolerant
Height When Mature 15
Vegetative Spread None
Flower Color White
Flower Conspicuousness Yes
Fruit/Seed Abundance Medium
Fruit/Seed Seasonality Summer Fall
Seed Spread Rate Slow
Gardening Characteristics
Propagations (Ways to Grow) Bare Root, Container, Cuttings, Seed
Moisture Requirements Low
Cold Stratification Required No
Minimum Temperature -23
Soil Depth for Roots 6
Toxic to Nearby Plants No
Toxic to Livestock No
After-Harvest Resprout Ability Yes
Responds to Coppicing Yes
Growth Requirements
pH Range 7–8.5 pH
Precipitation Range 8–8 inches/yr
Planting Density 10–700 indiv./acre
Soil Textures Coarse, Medium
Soil Depth for Roots 6
Minimum Frost-Free Days 115 day(s)
Salinity Tolerance None
CaCO3 Tolerance High
Sustainability & Use
Leaf Retention No
Palatability Medium
Fire Resistant No
Causes Livestock Bloating None

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

Plant Name Synonyms
  • Philadelphus microphyllus var. linearis
  • Philadelphus microphyllus var. minutus
  • Philadelphus microphyllus var. ovatus
  • Philadelphus microphyllus var. occidentalis
  • Philadelphus microphyllus ssp. occidentalis
  • Philadelphus microphyllus ssp. stramineus
  • Philadelphus microphyllus ssp. typicus
  • Philadelphus occidentalis
  • Philadelphus occidentalis var. occidentalis
  • Philadelphus stramineus
Plant Distribution
can be found in Arizona, California, Colorado, New Mexico, Nevada, Texas, Utah, Wyoming