Blue Verbena Seeds

Blue Verbena Seeds

• Rare delicate rich blue flower clusters that provide cool tone contrast in sunny gardens
• Spreading airy growth habit perfect for container cascading and mixed border layering
• Heat and drought tolerant, capable of steady blooming throughout hot summer months
• Top pollinator magnet that draws butterflies and beneficial insects to residential yards

Regular price $5.98 USD
Sale price $5.98 USD Regular price
Sale Sold out
style: 100 seeds
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Description

Blue verbena is an elegant long-blooming warm-season perennial often grown as an annual, admired for abundant clusters of delicate rich blue tiny blossoms. Countless small tubular flowers assemble into flat-topped bloom umbels that perch atop slender upright branching stems, forming airy, sprawling mounds of cool blue color. The soft saturated blue shade offers a rare tranquil tone for sunny gardens, contrasting beautifully against surrounding green foliage and warm-toned blooms such as zinnias and marigolds. Its extended flowering cycle kicks off in early summer and persists steadily through fall, bringing consistent cool-hued charm even amid hot summer temperatures.
This blue verbena brings delicate texture and cool color to diverse garden layouts. It performs wonderfully in border plantings, rock gardens, cascading container displays and pollinator gardens. The shallow open flower structure delivers easily accessible nectar, strongly attracting butterflies, native bees and hoverflies. Once established, it demonstrates solid drought resistance. With occasional trimming of tired stems, plants keep generating new flower clusters, delivering months of continuous blue floral beauty with minimal watering and maintenance.

Product features

• Dense flat umbel clusters filled with countless tiny rich blue tubular blossoms
• Mature spreading upright plants reach 12–18 inches (30–46 cm) tall with a 18–24 inch (46–61 cm) wide sprawling spread
• Continuous heavy blooming from early summer until the first light autumn frost
• Excellent heat and drought tolerance once the root system is fully established
• Slender well-branched stems create an airy textured appearance in mixed plantings
• Nectar-rich flower clusters attract butterflies, native bees and beneficial hoverflies
• Suitable for garden borders, rockeries, patio containers, hanging baskets and pollinator landscapes

Planting Season: Start indoor sowing 8–10 weeks before last spring frost; transplant outdoors after all frost risk passes
Light Requirement: Full sun (6+ hours direct sunlight daily; insufficient sun leads to sparse flowering)
Soil Requirements: Well-drained average garden soil; tolerates low fertility; avoid waterlogged heavy clay
Seed Prep: Cold stratify seeds at 35–40°F (2–4°C) for 14–21 days to break dormancy
Planting Depth: Lightly press seeds onto soil surface; do not cover completely, light aids germination
Water Needs: Keep soil evenly moist during sprouting; water moderately after establishment, allow soil to dry between watering
Seedling Spacing: Space transplants 18–24 inches (46–61 cm) apart to accommodate spreading branches
USDA Hardiness Zones: Perennial in zones 7–11; grown as warm-season annual in zones 2–6
Additional Tips: Light shearback encourages dense new growth and extra blooms; poor drainage quickly causes root rot