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Giant Heartleaf Lily Seeds – 20 seeds

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Seed packet
20 seeds In stock Growing guide included
Growing details
Partial shade to dappled woodland light Early to mid-summer after several years of growth; large fragrant white trumpets with green and pink-purple veining Cardiocrinum cordatum var. glehnii
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Review growing details before checkout Cardiocrinum cordatum var. glehnii / 20 seeds / Partial shade to dappled woodland light Ask before ordering

Giant Heartleaf Lily seeds for Cardiocrinum cordatum var. glehnii, a rare woodland perennial with huge heart-shaped leaves and towering fragrant white trumpet flowers brushed with green and pink-purple veining.

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Description

Giant Heartleaf Lily Seeds grow Cardiocrinum cordatum var. glehnii, a dramatic woodland perennial prized by patient gardeners and collectors. Plants form bold heart-shaped foliage before sending up tall flower spikes of fragrant cream-white trumpets with green throats and soft pink-purple veining, bringing a quiet architectural presence to shaded garden spaces.

Why Grow It

  • Rare woodland perennial with oversized heart-shaped foliage and a strong architectural presence.
  • Tall summer flower spikes carry fragrant cream-white trumpets marked with green and pink-purple veining.
  • Best for patient gardeners: seeds require cold stratification and mature plants can take several years to bloom.

Growing Information

Botanical name Cardiocrinum cordatum var. glehnii
Life cycle Long-lived monocarpic perennial; mature plants bloom once, then can leave offsets
Mature height 6-8 ft. flower spikes after several years, with large heart-shaped foliage rosettes
Light Partial shade to dappled woodland light
Bloom or harvest window Early to mid-summer after several years of growth; large fragrant white trumpets with green and pink-purple veining
Seed count 20 seeds
Sowing advice Cold stratify moist seed for 8-12 weeks. Surface sow or cover very lightly, then keep evenly moist in a cool seed-starting mix without waterlogging.
Spacing 24-36 in. apart in rich, humus-heavy woodland beds or shaded collector gardens
Germination Slow and variable; often 30-90 days at 55-65 F after cold stratification

Best For

  • woodland shade gardens
  • collector perennial plantings
  • dappled-light borders
  • fragrant summer flower displays
  • large foliage focal points

Packet Details

Includes 20 seeds. Store cool, dry, and dark until sowing. Start with moist cold stratification, then keep seedlings shaded, evenly moist, and protected while they establish.

FAQ

Do Giant Heartleaf Lily seeds need cold stratification?

Yes. Moist cold stratification for 8-12 weeks is recommended before cool germination.

How long does Giant Heartleaf Lily take to bloom?

It is a slow collector perennial and may take several years to build enough size before flowering.

Where should I plant Cardiocrinum cordatum var. glehnii?

Choose partial shade or dappled woodland light with rich, humus-heavy, well-drained soil that stays evenly moist.

Additional information

Botanical name

Cardiocrinum cordatum var. glehnii

Life cycle

Long-lived monocarpic perennial; mature plants bloom once, then can leave offsets

Mature height

6-8 ft. flower spikes after several years, with large heart-shaped foliage rosettes

Light

Partial shade to dappled woodland light

Bloom or harvest window

Early to mid-summer after several years of growth; large fragrant white trumpets with green and pink-purple veining

Seed count

20 seeds

Sowing advice

Cold stratify moist seed for 8-12 weeks. Surface sow or cover very lightly, then keep evenly moist in a cool seed-starting mix without waterlogging.

Spacing

24-36 in. apart in rich, humus-heavy woodland beds or shaded collector gardens

Germination

Slow and variable; often 30-90 days at 55-65 F after cold stratification

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Growing snapshot

Cardiocrinum cordatum var. glehnii / 20 seeds / Partial shade to dappled woodland light / Early to mid-summer after several years of growth; large fragrant white trumpets with green and pink-purple veining

Adjust sowing dates for your frost dates, climate, soil, and growing setup.

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