• Mountain Hemlock with Dense Blue Green Evergreen Foliage
  • Mountain Hemlock with Dense Blue Green Evergreen Foliage
  • Mountain Hemlock with Dense Blue Green Evergreen Foliage
1 3

EdenValleySeeds

Mountain Hemlock Tree Seeds for Planting – Heirloom Non-GMO Garden Seeds

Mountain Hemlock Tree Seeds for Planting – Heirloom Non-GMO Garden Seeds

No reviews yet
$18.89 USD
$18.89 USD
Sale Sold out
Size
DELIVERY ESTIMATE
Oct 21 – Oct 23 Estimated arrival
ORDER Oct 11 Order placed
ORDER READY Oct 13 – Oct 14 2–3 business days
DELIVERED Oct 21 – Oct 23 10–12 business days total
Carefully packed and tracked from dispatch to delivery.
Secure checkout Carefully packed seeds Tracked delivery Quality-focused selection
View full details

Grow Mountain Hemlock from heirloom non-GMO seeds for an elegant evergreen conifer with soft, densely arranged needles and a naturally graceful form. Ideal for cool-climate landscapes, woodland gardens, and spacious properties.

Key Features

  • Produces dense evergreen foliage with soft blue-green to green needles.

  • Develops a graceful pyramidal form with drooping branch tips.

  • Heirloom, non-GMO seed choice for conifer enthusiasts.

  • Ideal for cool-climate landscapes, woodland gardens, and naturalistic plantings.

  • Performs best in cool conditions with moist, well-drained soil.

  • Adds year-round evergreen structure to suitable landscapes.

Growing Benefits

  • Provides evergreen color throughout the growing season.

  • Adds natural woodland character to cool-climate gardens.

  • Creates attractive vertical structure in spacious landscapes.

  • Offers an engaging long-term project for tree growers.

  • Develops into a distinctive conifer as it matures.

Seed Specifications

  • Common Name: Mountain Hemlock

  • Botanical Name: Tsuga mertensiana

  • Plant Type: Evergreen coniferous tree

  • Family: Pinaceae

  • Foliage Color: Blue-green to green

  • Flowering: Cones rather than showy flowers

  • Cone Color: Green when developing, becoming brown as they mature

  • Foliage: Short, dense needles arranged around the branches

  • Growth Habit: Upright, pyramidal, and sometimes irregular with age

  • Sunlight: Full sun to partial shade

  • Soil: Moist, fertile, well-drained, slightly acidic to neutral soil

  • Water: Regular moisture; avoid prolonged waterlogging

  • Germination Time: Variable; often several weeks to months depending on seed treatment and conditions

  • Sowing Depth: Surface sow or cover lightly

  • Spacing: Allow substantial room for mature growth; spacing should reflect the intended landscape setting

  • Growing Zones: Generally suited to USDA Zones 5–8, with performance depending strongly on local climate

  • Flowering/Maturity: Produces cones after reaching maturity; seed-grown trees require many years to develop into mature specimens

  • Uses: Woodland gardens, cool-climate landscapes, naturalistic plantings, specimen trees, and spacious properties

Growing Tips

  • Provide cool, moist conditions during the germination process.

  • Use a well-drained, organic-rich growing medium.

  • Protect young seedlings from intense heat and drying winds.

  • Choose a permanent planting location with adequate room for long-term growth.

Seed Storage

Store unused seeds in a cool, dry, dark location. Keep them sealed in an airtight container protected from moisture, heat, and direct sunlight. For best viability, follow any species-specific storage recommendations supplied with the seed.

Important Growing Note

Tsuga mertensiana, commonly called Mountain Hemlock, is a high-elevation conifer native to western North America. It naturally grows in cool mountain environments and is not well suited to hot, humid climates or prolonged summer heat.

Choose a planting location with appropriate temperatures, reliable moisture, and good drainage. In warmer regions, successful long-term cultivation can be difficult even when seeds germinate successfully.

Unique Facts About Seeds

  • Mountain Hemlock is native to mountainous regions of western North America.

  • It is adapted to cool climates and high-elevation growing conditions.

  • Its short needles create a dense, soft-textured evergreen appearance.

  • Mature trees can develop attractive drooping branch tips.

  • Unlike flowering ornamentals, Mountain Hemlock produces woody cones for seed development.

Growing Instructions

Planting Season: Sow seeds during a cool period. Mountain Hemlock seeds may benefit from a period of cold, moist stratification before sowing.

Sowing: Use a well-drained seed-starting mix containing organic matter. Place seeds on the surface or cover them only lightly with fine growing medium.

Depth: Surface sow or cover lightly, avoiding deep planting.

Spacing: Give seedlings adequate room for root development. Young trees can initially be grown individually in containers before being moved to a permanent location.

Sunlight: Provide bright light or partial shade for young seedlings. Gradually acclimate plants to stronger outdoor conditions.

Soil: Use fertile, moisture-retentive but well-drained soil. Slightly acidic soil is generally suitable for this mountain conifer.

Watering: Keep the growing medium consistently and lightly moist during germination and early seedling development. Avoid both drought stress and saturated soil.

Germination: Germination can be slow and variable. A suitable cold, moist treatment may help overcome seed dormancy and improve emergence.

Thinning: Remove weak or overcrowded seedlings so the strongest plants have adequate growing room.

Transplanting: Transplant young trees carefully while the root system is manageable. Avoid unnecessary root disturbance and provide consistent moisture after planting.

Fertilizing: Young trees generally require little fertilizer when grown in suitable soil. If needed, use a mild balanced fertilizer according to soil conditions and product directions.

Care: Keep competing weeds away from young trees and maintain consistent soil moisture. Protect seedlings from prolonged heat, drought, and harsh drying winds.

Flowering/Maturity: Mountain Hemlock produces small cones rather than ornamental flowers. Seed-grown trees are slow-growing and may require many years to reach substantial landscape size.

Container Growing: Young seedlings can be grown temporarily in containers with good drainage. Avoid keeping trees container-bound for extended periods as they develop.

Winter Care: Established Mountain Hemlock is adapted to cold mountain environments. Young container-grown plants should still be protected from extreme drying winds and abrupt temperature fluctuations.