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Penstemon Grandiflorus Flower seeds for Planting, Compact Growth Heirloom & GMO Free Seeds for Home Garden

Regular price $25.00 CAD
Sale price $25.00 CAD Regular price
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Size: 100 Pcs
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100 Pcs
100 Pcs
$25.00/ea
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500 Pcs
500 Pcs
$79.00/ea
$0.00 $79.00/ea 37% Savings $0.00
1000 Pcs
1000 Pcs
$128.00/ea
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Product Description

Brighten your garden with Penstemon Grandiflorus, a hardy heirloom perennial valued for its showy tubular flowers and compact growth habit. Often called Large-Flowered Beardtongue, this variety is perfect for borders, rock gardens, and wildflower plantings. Its elegant blooms attract pollinators, making it both a beautiful and beneficial addition to any home garden.

Features

  • Botanical Name: Penstemon grandiflorus

  • Plant Type: Perennial flowering plant

  • Growth Habit: Upright, compact growth ideal for small spaces

  • Bloom Feature: Showy tubular blossoms in soft pink to lavender shades

  • Heirloom & GMO Free seeds

  • Suitable for pollinator-friendly gardens

Specifications

  • Sunlight: Full sun preferred

  • Soil: Well-drained, sandy or loamy soil

  • USDA Zones: 3–8

  • Blooming Season: Late spring to early summer

  • Mature Height: 18–30 inches tall

  • Watering: Low to moderate; drought tolerant once established

Planting & Sowing Instructions

  1. Seed Preparation: Cold stratify seeds for 30–60 days to enhance germination.

  2. Sowing: Sow seeds on the surface of well-draining soil; lightly press in without covering deeply.

  3. Germination: Keep soil moist at 65–75°F (18–24°C); germination may take 3–6 weeks.

  4. Transplanting: Move seedlings outdoors after frost danger has passed, spacing 12–18 inches apart.

  5. Care: Water moderately, avoid overwatering, and enjoy low-maintenance blooms each season.

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Features
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Life Cycle

Perennial flower

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Planting Season

Cool season

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Growth Habit

Compact upright


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Flavor Profile

Not edible

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Plant Characteristics

Large blue blooms

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Use

Garden borders

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Growing Conditions

Drought tolerant

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Harvest Advantages

Pollinator attraction

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Plant Resistance

Cold hardy

About Penstemon Grandiflorus

Scientific Name: Penstemon grandiflorus

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Seed Names

Penstemon Grandiflorus

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Seed Type

Heirloom, GMO-free


Penstemon grandiflorus, commonly known as Large Beardtongue, is a hardy perennial admired for its compact growth and showy blue-lavender flowers. Ideal for borders and naturalized garden areas, it attracts pollinators while requiring minimal care.

Planting Information
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Light Requirement

Full sun

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Planting Depth

1/8–¼ inch

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Sowing Method

Direct sow

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Plant Spacing

12–18 inches

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Days to Maturity

90–120 days

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Soil Preparation

Well-drained soil

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Hardiness Zones

USDA 3–8

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Water Needs

Low to moderate

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Planting Season

Spring, Fall

Coverage

Seed Count

100

500

1000

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