Star jasmine

Trachelospermum jasminoides

Description

The Star jasmine is a vigorous evergreen vining plant with glossy dark green foliage. When grown as a vine, its stems can reach 25-30 ft. in length; it can also be clipped and maintained as a ground cover 18-24 in. tall. Leaves are elliptical in shape, have pointed tips and grow 2-3 in. long; large clusters of deeply fragrant and attractive white flowers occur in late spring to early summer.

Star jasmine is best known for its sweet flower fragrance in Southern California gardens. While this fragrance provides a dominant feature, glossy dark green foliage and manageable growth habit helps make it a popular plant in both commercial and residential landscapes. It has proven to be highly adaptable to cold and heat, sun and shade and a variety of soil types. However, it grows best in loamy soils, with regular moisture and protection from hot sun to keep its rich color and prolong its flowering cycle. It can cover large and small spaces as a ground cover, be trained on trellises and can cascade over walls and banks.

Plant Type: Ground cover, Vine
Foliage Character: Evergreen
Habit: Trailing, Spreading, Robust, Climbing
Growth Rate: Fast
Foliage Color: Dark green
Flower Color: White
Flower Season: Summer, Spring
Soil Adaptations: Loam
Exposure Adaptations: Moderate shade, Heat, Frost, Filtered or indirect sunlight, All day sun, Partial sun
Function: Slopes, Background plant, Screening, Fragrant flowers, Residential spaces, Raised planters, Parks and open space, Overhead structures, Mass planting, Small spaces, Grouped, Foundations, Foliage accent plant, Flowering accent plant, Espalier, Container plant, Commercial spaces, Civic spaces, Banks
Height: 18 in. – 24 in.
Width: 30 ft.

Watering Schedule: Medium

For most situations, we recommend watering once per week after establishment, watering very deeply in summer, less deeply in fall and spring, and even less in winter.

See our recommendations for how much water to apply each time you water, below. Note that these recommendations are intended for inland valley areas of Southern California including the Inland Empire, San Gabriel, and San Fernando Valleys. People in cooler or warmer areas may use this as a baseline but should adjust based on local needs.

Learn how to provide 1” of water to your landscape here, and adjust to provide more or less based on the recommendations above for each time of year.

Seasonal Watering Recommendations

June – August: once per week, water deeply, applying approximately 1.25” of irrigation.
September – October: once per week, water deeply, applying approximately 0.75” of irrigation.
November – February: once per week, water deeply, applying approximately 0.5” of irrigation.
March-May: once per week, water deeply, applying approximately 0.75” of irrigation.

Learn how to provide 1” of water to your landscape here, and adjust to provide more or less based on the recommendations above for each time of year.

Adjusting to your local needs

These recommendations for Medium / Moderate water demanding plants were created for Southern California inland valley areas. Southern California areas closer to the coast and along the coast will usually be able to water significantly less during the warm months of the year. For desert areas, check with local experts to be sure plants are appropriate for the area and anticipate needing to water more.

As a very general baseline, people in Los Angeles and similar areas can try setting a schedule of 80% of the in Spring, Summer, and Fall and adjust as necessary based on observation. The difference is less pronounced in the winter months, so we recommend starting with the same recommendations as above for winter. People in cooler coastal areas such as Santa Monica can try using this same approach but adjust to use 75% of the chart recommended minutes for the Spring, Summer, and Fall months.

Important Notes

These are general guidelines. Always observe and adjust as necessary for your landscape.
If it rains over 1” you will likely not need to water for at least another week, possibly longer. Before watering again, check the soil. It should be significantly dry at least 4” below the soil surface before watering again.
It is important to group plants with the same water needs together in the landscape to avoid needing to over or under water plants when running your irrigation system.
“Smart timers” or weather sensitive irrigation controllers such as Rachio and Hunter Hydrawise are ideal for watering plants in this category because they will automatically adjust how much they water based on the weather so you do not need to reprogram the timer seasonally. Rebates for these types of irrigation controllers are available through socalwatersmart.com.

Prune to space limitations of what the vine is growing on. Covers fences, arbors, or lattices. Prune as needed throughout the year, but be careful not to prune off too many buds before spring blooming period (D). Also sometimes used as a groundcover in shade. To maintain in this situation, prune as needed to keep off of paths and walks and as needed to control height. However, many better and lower water groundcover choices are available for most garden situations (S). References

Star jasmine

Description

Watering Schedule: Medium

Seasonal Watering Recommendations

Adjusting to your local needs

Important Notes

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Star jasmine

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