American Arborvitae, White cedar, Thuja occidentalis, Tree Seeds

Evergreen, Bonsai, Hedge Plant, Screen/Windbreak, Cold Tolerant

Thuja occidentalis, commonly known as American arborvitae or White Cedar, is a dense, conical to narrow-pyramidal (sometimes maturing to broad-pyramidal), often single-trunked, evergreen tree. It is often used for hedges, screens, and foundation plants. It needs full sun, likes high humidity but can be grown in virtually any soil. It doesn't mind pruning or high pH. This is a slow growing tree that reaches 25 to 40 feet in height and spreads to about 10 to 12 feet wide. It is often found in the wild in low areas, wet forests and swamps and less frequently in some dryish sites. Mature trees may reach 40 to 60 feet tall in the wild over time. Scale-like, aromatic, yellow-green to dark green foliage appears in flattened sprays. Erect seed cones (1/2 inch long) are not particularly showy. Red-brown bark will exfoliate on mature branches and trunks. The common name of arborvitae (tree of life) comes from early French settlers to North America who learned from Native Americans that the tree’s foliage could be used to treat scurvy.

Common Names: Eastern Arborvitae, Northern White Cedar, White Cedar, American Arborvitae, Thuja obtusa, Thuja odorata,

Zone: 2 to 7

Growth Rate: Slow

Plant Type: Needled evergreen conifer tree
Family: Cupressaceae
Native Range: Eastern North America
Height: 20 to 40 feet
Spread: 10 to 15 feet
Shape: Conical

Bloom Time: Spring
Bloom Color: Yellow
Flower/Fruit: Inconspicuous and not showy, 1/2" cones

Sun: Full Sun to Part Shade
Fall Color: Evergreen, The foliage turns brownish in winter, especially if exposed to wind.

Drought Tolerance: Moderate

Water: Medium
Maintenance: Low

Site Requirements /Soil Tolerances: clay; loam; sand; slightly alkaline; acidic; extended flooding; well-drained

Culture: Good in cold climates. Grow in average, medium moisture, well-drained soils in full sun to part shade. Somewhat wide range of soil tolerance, but prefers moist, neutral to alkaline, well-drained loams (especially of some limestone content). Intolerant of dry conditions. Best in full sun, but generally appreciates some light afternoon shade in hot summer areas. Avoid full shade. Avoid exposed, windy sites. Generally quite adaptable and tolerant once established.

Uses: Foundations and landscapes. Best used as a screen or hedge.

Sowing Thuja occidentalis Seeds:

For best results, please follow the instructions in the order provided.

Scarify: Soak in water 24 Hours

Stratify: Cold 60 days, 40 Degrees F in a Moist Medium.

Germination: Sow 1/8” Deep

For more information about seed pretreatment and growing trees and shrubs from seed, please download this .pdf:

https://cdn.forestresearch.gov.uk/2007/08/fcpg018.pdf

Germination:

1. Seeds Packets are labeled with seed name and sowing details.
2. Seeds have not been pretreated unless specified in the listing.
3. Seed is not a specific Cultivar (Variety) unless specified in the listing.
4. Due to the many factors involved in successful germination, Seller cannot be responsible for buyers growing methods or mistakes.
5. I have provided what I believe to be a good overview on this page (which you are free to print for further reference), however, it is still recommended to check specialist literature for more details and practices specific to your climate and soil conditions to avoid mistakes in the germination and growing process.

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International Buyer’s:

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1. Plant and plant materials including seeds may be restricted from importing to your country. Please check with your customs agency and or post office before purchasing. Upon purchasing this item Buyer accepts the risk of item being confiscated and/or destroyed by customs and Seller will not be held liable for this.
2. If you are on my exclusion list it is because: “Plant and plant materials including seeds” are restricted from importing to your country, it is enforced by your country and there is a high rate of customs checking for this.
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