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Verbena Seeds - Hoary Vervain
About...
Verbena (Verbena Stricta) - Known as Hoary Vervain, this is another perennial that is grown from Verbena seeds. Hoary Vervain grows in narrow upright clumps 24 - 36 inches tall with showy flowers that are densely packed on narrow pencil-like spikes. The Hoary Vervain flowers bloom from the bottom of the spike up and are a violet blue color.MORE VERBENA OPTIONS
Groundcover Specifications
SEASON
Perennial
USDA ZONES
3 - 9
HEIGHT
24 - 36 inches
BLOOM SEASON
Summer
BLOOM COLOR
Purple
GROWTH RATE
Medium
ENVIRONMENT
Full sun
SOIL TYPE
Clay, sand, or gravel, pH 5.8 - 7.2
DEER RESISTANT
Yes
FOLIAGE COLOR
Whitish-green
Planting Directions
TEMPERATURE
70F
AVERAGE GERM TIME
10 - 25 days
LIGHT REQUIRED
No
DEPTH
Surface sow no more than 1/8 inch
SOWING RATE
1 ounce per 600 square feet
MOISTURE
Keep seeds moist until germination
PLANT SPACING
12 - 24 inches
CARE & MAINTENANCE
Great Outside The Garden Too!
This Hoary Verbena makes an excellent cut flower.
Verbena Seeds | Hoary Vervain
How to Grow
Verbena seeds can be sown directly outdoors into prepared seedbeds. Late fall sowing is recommended as the Hoary Vervain flower seeds respond well to cold temperatures. If Hoary Vervain seeds are planted in the spring, a cold treatment needs to be done before planting. Dampen a paper towel, spread the flower seeds on the towel and carefully roll the towel up. Place the damp towel with the seeds in a ziploc bag and seal it. Place the bag with Verbena seeds into the refrigerator for 4 weeks. After the cold treatment, Hoary Vervain seed can be started in the spring or even indoors.
- Sowing Rate: 1 ounce per 600 square feet
- Approximately 33000 seeds per ounce
Groundcover Specifications
- Depth: Surface sow no more than 1/8 inch
- Moisture: Keep seeds moist until germination
- Average Germ Time: 10 - 25 days
- Plant Spacing: 12 - 24 inches
- Height: 24 - 36 inches
- USDA Zones: 3 - 9
- Season: Perennial
Verbena (Verbena Stricta) - Known as Hoary Vervain, this is another perennial that is grown from Verbena seeds. Hoary Vervain grows in narrow upright clumps 24 - 36 inches tall with showy flowers that are densely packed on narrow pencil-like spikes. The Hoary Vervain flowers bloom from the bottom of the spike up and are a violet blue color. The stems and leaves are heavily covered with long white hairs giving the foliage a whitish-green appearance. The leaves are up to 4 inches long and 2 1/2 inches across. Hoary Verbena makes an excellent cut flower, and butterflies use the foliage for their larva.
The Hoary Vervain plant grows best in full sun and average to dry conditions. It will flourish in poor soil consisting of clay, sand, or gravel. It will also grow well in rich loamy soil, but will often be out-competed by other plants. Drought resistance is good, although some of the lower leaves may shrivel and fall off the plant if enough water is not received.
Verbena seeds can be sown directly outdoors into prepared seedbeds. Late fall sowing is recommended as the Hoary Vervain flower seeds respond well to cold temperatures. If Hoary Vervain seeds are planted in the spring, a cold treatment needs to be done before planting. Dampen a paper towel, spread the flower seeds on the towel and carefully roll the towel up. Place the damp towel with the seeds in a ziploc bag and seal it. Place the bag with Verbena seeds into the refrigerator for 4 weeks. After the cold treatment, Hoary Vervain seed can be started in the spring or even indoors.
Approximately 33,000 seeds per ounce.