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Green Cinnamon Fern Spores - Osmundastrum cinnamomeum

Green Cinnamon Fern Spores - Osmundastrum cinnamomeum

Regular price $16.39 USD
Regular price Sale price $16.39 USD
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Quantity

How to Sow and Plant

Sterilize peat/perlite mix moisten. Sprinkle spores evenly surface cover glass humidity. 70-80°F indirect light. Protonema green carpet gametophytes ferns 4-12 weeks pot up.

How to Grow

Partial-full shade consistently moist acidic soil. Mulch retain moisture. Divide clumps spring. Fertilize organic slow-release. Cut dead fronds winter.

Tips

Maintain constant moisture germination. Good airflow prevent mold. Plant hosta astilbe companions. Deer browse young plants protect.

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About
Product Information
Features
life-cycle

Life Cycle

Perennial

plant-characteristics

Plant Characteristics

Deciduous Fern

growth-habit

Growth Habit

Clumping

bloom-season

Bloom Season

Spring

flavour-profile

Flavour Profile

None

suitable-for

Suitable for

Outdoor

About
Green Cinnamon Fern Spores - Osmundastrum cinnamomeum
seed-type

Seed Type

Spores

plant-type

Plant Type

Native Fern

Osmundastrum cinnamomeum cinnamon fern native eastern North America moist woods swamps. Deciduous vase clumps 3-6ft sterile green fronds fertile cinnamon fronds die back winter. Spreads rhizomes colonizes slowly. Zones 3-10 shade moisture tolerant wildlife food cover.

Planting information
planting-season

Planting Season

Spring

fruit-size

Fruit Size

None

plant-height

Plant Height

3-6ft

light-requirement

Light Requirement

Part Shade

water-needs

Water Needs

High

hardiness-zones

Hardiness Zones

3-10

container-garden

Container Garden

Yes

plant-spacing

Plant Spacing

2-3ft

planting-depth

Planting Depth

Surface

growing-conditions

Growing Conditions

Moist Woodland

Coverage
Seed Count
Recommended Coverage
SEED COUNT
100
GTIN
036000194715

Frequently Asked Questions

Since ferns don't produce true seeds, what exactly are spores?

Spores are a fundamentally different reproductive structure than seeds; they first grow into a small green structure called a prothallus before that stage eventually produces the visible fern plant.

What's the actual role of the cinnamon-colored fertile fronds?

Fertile fronds are specialized for reproduction, producing and releasing the spores, while the separate green sterile fronds handle photosynthesis and give the plant its lush appearance.

The listing calls it deer-resistant, but tips warn about deer browsing young plants; which is true?

Both, in a sense. Mature, established cinnamon ferns are generally left alone by deer, but young, tender new growth can still attract occasional browsing before the plant toughens up.

Will this fern spread aggressively and take over a garden bed?

No, it colonizes gradually through clumping rhizomes rather than spreading invasively, making it a manageable choice for naturalizing a shaded area over time.

Since it's deciduous, what does the garden look like in winter?

The fronds die back completely, leaving bare ground in that spot, so many gardeners pair it with evergreen shade plants nearby to maintain winter interest.

How long before spores actually become a recognizable young fern

? After the initial prothallus stage forms in several weeks, it typically takes considerably longer, often into the following growing season, before a proper small fern frond is visible.