Purpletop Verbena - Verbena bonariensis

Description : Native to South America (Brazil to Argentina).  Belongs to the Verbenaceae family.  Annual forming a basal rosette of lanceolate, dentate leaves,  pubescent underneath, some of them embracing tall square stems.  Cymes of violet blue flowers. Attract butterflies.

Height: 100-200 cm (40-79 po.)

Flowering: mid-June to October


Zone : 7-11

Exposition: thrives in sunny locations but can tolerate semi-shade.

Soil: well drained, to sharply drained, moderately fertile soil

Germination temperature:15-18ºC (60-65 ºF)

Required time:

Special care: Sow indoors in February or March.  Cover the seeds with a thin layer of soil.  Substrate must be kept constantly moist but not wet.  Place trays at temperatures mentioned above and out of direct sunlight.  Germination is irregular and extends over a long period of time.  Don’t discard seed trays too rapidly.  Transplant at the 2-true-leaves stage.  Pinch out the growing tip when the plant has 3 sets of leaves to encourage branching.  Gradually acclimatize young plants to outdoor conditions before planting out 60 cm (24 in.) apart.

$ 3.95
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