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An image of the plant grown with seed for Lobelia Sapphire Seeds - Vibrant Sapphire Blue Flowers with Trailing Habit, Ideal for Window Boxes and Hanging Baskets, Non-GMO
  • An image of the plant grown with seed for Lobelia Sapphire Seeds - Vibrant Sapphire Blue Flowers with Trailing Habit, Ideal for Window Boxes and Hanging Baskets, Non-GMO
Lobelia Sapphire Seeds - Vibrant Sapphire Blue Flowers with Trailing Habit, Ideal for Window Boxes and Hanging Baskets, Non-GMO
$8.99 CAD
Maturity

90 Days
Sunlight

Full Sun
Watering

Regular

Difficulty

Easy to grow
Life cycle

Annual
Grow Zones

9 - 11

Quick Reference

Zones

Plant Hardiness Zones describe the average minimum winter temperature for a region. They tell you where a plant can reliably survive outdoors. For example, Zone 5 can handle colder winters than Zone 9. Matching a plant to your zone increases the chance of long-term success.

Days

  • For food crops: Days to maturity is the expected number of days from planting to first harvest. This helps gardeners plan their growing season and time their harvests.
  • For non-food plants: Days to germination indicates how long it usually takes seeds to sprout under normal conditions. This is key for starting seeds successfully.

Types

  • F1 (Hybrid): A cross between two parent varieties. Hybrids are bred for vigor, uniformity, and specific traits such as disease resistance. Seeds saved from F1 plants don’t grow true to type. That means if you try to regrow them from seed, the plant won't necessarily be the same as last year's
  • OP (Open-Pollinated): Varieties that naturally pollinate and remain stable across generations. Seeds can be saved and replanted with consistent results.
  • HM (Heirloom): An open-pollinated variety that has been handed down for many generations. Heirlooms are valued for flavor, tradition, and genetic diversity.

Grows

  • Outdoors: Well-suited for garden beds, raised beds, or open soil, where natural conditions are stable.
  • Windowsill: Compact plants that thrive in containers indoors, often needing only modest light.
  • Anywhere: Highly adaptable plants that perform reliably in both indoor and outdoor settings.

Lifecycle

  • Annual: Grows, flowers, sets seed, and dies in one growing season. Many vegetables and flowers are annuals.
  • Perennial: Lives for multiple years, regrowing each season after going dormant. Often used in landscaping or long-term food crops.
  • Sp. Perennial (Self-Perennializing): A plant that reseeds itself or self-pollinates, giving the effect of perennial growth even if individual plants live shorter lives.

Size

Indicates the recommended container size or soil depth for best growth.

  • “X″ Pot”: The ideal pot diameter (e.g., 5″ Pot), ensuring enough root space.
  • DS (Deep Soil): Requires planting directly in the ground or in a deep raised bed, as shallow pots restrict growth.
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  • Stunning Display: Features bright sapphire blue flowers enhanced by a striking white eye, perfect for adding a splash of color to any garden space.
  • Germination and Growth: Requires light for germination with optimal soil temperatures of 20-24°C (70-75°F). Post germination, maintain a cooler temperature near 15°C (65°F) for robust growth.
  • Transplanting Tips: Start seeds 10-12 weeks before transplanting outdoors. Best transplanted in clumps of 3-5 seedlings with garden spacing of 25 cm (10 in) apart.
  • Versatile Use: Exceptionally suited for decorative outdoor containers including window boxes, planters, and hanging baskets, enhancing vertical gardening.
  • Care Regimen: Achieve strong, healthy plants by fertilizing every two weeks with a 10-52-17 fertilizer blend complemented by liquid seaweed.

Transform your garden into a vibrant spectacle with Lobelia Sapphire seeds. These seeds promise lush, trailing growth and stunning sapphire blue blooms that are perfect for adding a splash of color to your outdoor spaces. Ideal for hanging baskets and window boxes, Lobelia Sapphire is a must-have for gardeners looking to enhance their vertical gardening efforts.

Start your planting journey 10-12 weeks before the last frost by sowing seeds indoors. Keep them exposed to light to ensure successful germination. Once transplanted outdoors, these plants thrive with regular watering and bi-weekly feedings of a balanced fertilizer. Enjoy the beauty of Lobelia Sapphire as it brings life and color to your garden all season long.
Size
How much seed do I need?

Seeds per gram: 30,000
Average germination rate: 80%

Package sizes

  • Single Packet (1,000 seeds) — 200 plants — covers about 135–145 sq. ft.

Plant growth and coverage

  • Trailing, mounding habit; excellent cascading performance in containers
  • Height: 10–15 cm (4–6 in)
  • Spread: 20–30 cm (8–12 in)
  • Spacing: 25 cm (10 in); transplant in clumps of 3–5 seedlings
  • Ideal for window boxes, planters, and hanging baskets; continuous color through the season

Choosing a packet size

  • The Single Packet suits home gardeners looking to fill several window boxes, mixed planters, or a few hanging baskets with vibrant trailing color. For larger borders, mass plantings, or many containers, consider purchasing multiple packets to achieve full, even coverage.
GROWING INSTRUCTIONS

Sow Lobelia Sapphire seeds indoors 10-12 weeks before the last frost. Press seeds gently into the soil surface, ensuring they receive light for germination. Maintain soil temperatures between 20-24°C (70-75°F) for optimal germination.

Once seedlings emerge in 7-14 days, reduce temperature to 15°C (65°F) to encourage strong growth. Transplant seedlings outdoors after the last frost, spacing clumps of 3-5 seedlings about 25 cm (10 inches) apart.

Lobelia Sapphire thrives in full sun to partial shade with regular watering. Fertilize bi-weekly with a 10-52-17 blend and liquid seaweed for lush blooms. Ideal for hanging baskets and window boxes, enjoy vibrant flowers all season.
SHIPPING & RETURNS

In Canada, we use fast shipping from our Canadian warehouses. You can expect delivery in 1-3 days.

In the USA, We use our US warehouses, and you can expect your order in 1-3 days, too.

No postaged lettermail or slow shipping from across the world. No customs fees or orders withheld at the border. Tracking numbers for all orders.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible. Our return policy covers you for late, damaged or defective products.

 Read Our Shipping & Returns Policy

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