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Description

The Lilac vine from Australia grows into a shrubby vine with woody and twining stems to 10-15 ft. long. Deep green leaves are long and lance-like in shape; showy clusters of intense purple pea-shaped flowers occur in late winter to early spring.

The Lilac vine is a popular flowering evergreen vine choice for Inland Empire gardens and landscape plantings. Its firm, leathery foliage makes it well suited to warm and dry conditions during summer; regular spring moisture sustain abundant flowering. This vine is good on fences, trellises, and for rambling over banks and slopes.

Water Needs

The Lilac vine grows best with good springtime moisture to complete its flowering cycle. Then it adapts well to lower amounts of summer water. Regular irrigation is recommended throughout the year. The chart shown below provides a baseline guide to the monthly irrigation schedule and volume of supplemental water needed to maintain healthy growth throughout the average year. The high and low range of moisture indicates it can grow with varying amounts of water.

Irrigation Schedule and Graph

Moderate Water Use Plants

Irrigation Schedule 3

  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
Runs per Month 0x to 3x 0x to 3x 0x to 3x 2x to 3x 1x to 2x 1x to 2x 1x to 2x 1x to 2x 1x to 2x 2x to 3x 0x to 3x 0x to 3x
Inches per Run 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1" 1"
 
Inches per Month 0" to 3" 0" to 3" 0" to 3" 2" to 3" 1" to 2" 1" to 2" 1" to 2" 1" to 2" 1" to 2" 2" to 3" 0" to 3" 0" to 3"

Range of supplemental summer water: 9"-16"
Range of supplemental winter water: 0"-15"

 
0"-3"
0"-3"
0"-3"
2"-3"
1"-2"
1"-2"
1"-2"
1"-2"
1"-2"
2"-3"
0"-3"
0"-3"
  Jan* Feb* Mar* Apr May Jun Jul Aug Sep Oct Nov* Dec*
For more information on how to use this Irrigation Schedule and Graph, click here.

Plant Properties

Plant Type: Vine
Foliage Character: Evergreen
Habit: Upright, Trailing, Sprawling, Mounding, Climbing
Growth Rate: Moderate
Height: 10 ft. - 15 ft.
Width: 10 ft. - 15 ft.
Water Needs: Moderate 3
Foliage Color: Dark green
Flower Color: Purple
Flower Season: Winter, Spring
Soil Adaptations: Well-draining soil, Acidic soil
Exposure Adaptations: Heat, Frost, All day sun
Function: Slopes, Screening, Residential spaces, Parks and open space, Overhead structures, Mass planting, Grouped, Flowering accent plant, Espalier, Commercial spaces, Banks, Background plant

Maintenance

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).

References

Associations

Plant Palettes