Planting guides for Annuals, Biennials, Perennials, Shrub & Vine seeds can be found at:
https://bloomoutlet.com/seed-guides/
Please read both the seed guide and the plant specific sowing instructions. If you are unsure of the best way to germinate the seeds, DO NOT SOW ALL THE SEEDS. Keep some in case the germination method you use doesn’t work.
Cold stratify ALL perennials, shrub & tree seeds for at least 30 days unless the plant specific instructions indicate a longer period.
If you are not ready to plant the seeds, keep it in the refrigerator (not freezer).
VERBENA HASTATA | BLUE SPIRES
Plant Specific Instructions (Read “Seed Guide” as well): Cold stratify for 30 days. Germinates irregularly over a long period. Sow at 41 F (5 C). Do not discard seed trays prematurely. Keep Moist. Do not leave in direct sunlight. Follow the Seed Guide for Perennials.
Botanical Name: Verbena hastata ‘Blue Spires’
Common Name: Blue Vervain
Type: First year flowering perennial.
Flower Color: Dark blue
Flowering Season: June to September
Plant Height: 4 ft (120 cm)
Plant Spacing:
Light Requirements: Full Sun
Water Requirements: Average, Moist
Soil Requirements: Well-drained. Average
USDA Zones: 3-8