Verbena hastata is a flowering plant in the vervain family, Verbenaceae. It is a herb with opposite, simple leaves which have double-serate margins, borne on stiffly erect, branching square stems. The flowers appear in summer and are purple.
*above specification are indicative only. actual dimensions may vary by +-10%
Maximum Reachable Height
2.00 to 6.00 feet
July to September
easy to grow
Planting and care
Blue Vervain is best sown direct in late summer or early fall.
If starting in spring, stratify seeds in refrigerator for 1-2 weeks. Small seeds are light dependant germinators with naturally low germination rates.
Moisten starting medium and lightly tamp into soil, and keep moist until seeds start to germinate, typically 3-4 weeks.
Transplant outside once the last freeze has passed and plants show first (or second) set of true leaves.
Blue Vervain care
Blue Vervain will grow to a height of 12-36 inch and begin to show dainty light purple flowers from mid summer into early fall. It will slowly spread and remain low to the ground, so allow plenty of space between plantings.
Vervain will grow best with full sun to partial shade. Soil should be well-drained.
Medium to wet
(98.6 F., 37 C)
Apply any organic fertilizer
Blue Vervain special feature
Borders, meadows, prairies, native plant gardens or informal/naturalized areas.
Blue Vervain uses
The plant is used for ornamental purpose
Its generally kep indoor in living room and in terrac area
Frequently Asked Questions
What is another name for a Blue Vervain ?
Blue Vervain is commonly known as Verbena hastata
How tall do Blue Vervain grow?
On average Blue Vervain grows 2.00 to 6.00 feet
What color are Blue Vervain ?
A Blue Vervain plant bears flowers of color blue
When Blue Vervain blooms?
With enough light, Blue Vervain may produce blue flowers in July to September
How hard is Blue Vervain to grow?
A Blue Vervain is easy to grow
How much sunlight does a Blue Vervain need?
A Blue Vervain prefers Full sun
How much water does a Blue Vervain need?
A Blue Vervain prefers watering Medium to wet
What kind of soil does a Blue Vervain need?
A Blue Vervain prefers well-drained soil
What temperature does a Blue Vervain like?
A Blue Vervain prefers (98.6 F., 37 C)
How often should I fertilize my Blue Vervain ?
To encourage Blue Vervain growth, Apply any organic fertilizer