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Lobelia Cobalt Blue Seeds for Garden Planting

Lobelia Cobalt Blue Seeds for Garden Planting

$16.49 USD
$16.49 USD
Sale Sold out

How to Sow and Plant

Sow seeds indoors 8–10 weeks before last frost

Use seed trays or pots with seed-starting mix

Scatter seeds on surface; do not cover (light needed to germinate)

Keep soil consistently moist, not waterlogged

Transplant outdoors after frost to garden/containers

How to Grow


Grow in full sun to partial shade

Plant in well-drained, fertile soil

Water regularly, keeping soil evenly moist

Fertilize every 2–4 weeks for abundant blooms

Deadhead spent flowers to encourage more blooms

Tips


Soak seeds briefly before sowing to improve germination

Provide good air circulation to reduce disease

Avoid waterlogging soil

Effective for containers and hanging baskets

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About
Product Information
Features
life-cycle

LIFE CYCLE

Annual

plant-characteristics

PLANT CHARACTERISTICS

blue flowers

growth-habit

GROWTH HABIT

Trailing

bloom-season

BLOOM SEASON

Spring

flavour-profile

FLAVOUR PROFILE

Not applicable

suitable-for

SUITABLE FOR

Outdoor

About
Lobelia Cobalt Blue Seeds for Garden Planting
seed-type

SEED TYPE

Flower seeds

plant-type

PLANT TYPE

Ornamental annual

Lobelia Cobalt Blue is a premium ornamental flower seed variety that produces abundant cobalt blue blooms ideal for borders, hanging baskets, containers, and garden edges. These seeds have a high germination rate and are suitable for gardeners seeking vibrant color and consistent performance.

Planting information
planting-season

PLANTING SEASON

Spring

fruit-size

FRUIT SIZE

N/A

plant-height

PLANT HEIGHT

6–12 inches

light-requirement

LIGHT REQUIREMENT

Full sun

water-needs

WATER NEEDS

Moderate

hardiness-zone

HARDINESS ZONE

S 4–8

container-garden

CONTAINER GARDEN

Yes

plant-spacing

PLANT SPACING

4–6 inches

planting-depth

PLANTING DEPTH

Surface sow

growing-conditions

GROWING CONDITIONS

Well-drained

Coverage
Seed Count
Recommended Coverage
SEED COUNT
100
GTN
036000135053

Frequently Asked Questions

What makes Cobalt Blue different from trailing lobelias?

It forms compact mounds with vivid blue flowers, making it ideal for borders and decorative containers.

Can it create colorful edging around flower beds?

Yes. Dense growth produces neat edging with vibrant seasonal blooms.

Which flowers complement Cobalt Blue Lobelia?

White alyssum, pink petunias, calibrachoa, and marigolds create colorful combinations.

Does it perform well in hanging baskets?

Yes. It grows well in baskets, window boxes, and patio containers.

Can it brighten small balcony gardens?

Yes. Compact plants provide strong color without requiring large planting spaces.

Does light trimming encourage fresh blooms?

Yes. Gentle trimming helps maintain a tidy shape and promotes continued flowering.