Winterberry Holly, Ilex verticillata, Shrub Seeds (Hardy, Showy)

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Seller: treeseedsplus ✉️ (28,379) 100%, Location: Elko, Nevada, US, Ships to: WORLDWIDE, Item: 280633932982 Winterberry Holly, Ilex verticillata, Shrub Seeds (Hardy, Showy).

Winterberry Holly, Ilex verticillata, Shrub Seeds

Cold Hardy, Showy Winter Berries, Attracts Birds, Wildlife Food/Shelter, Hedge, Winter Interest, Adaptable, Moist Soils

Winterberry is a deciduous holly native to eastern North America where it typically occurs in swamps, damp thickets, low woods and along ponds and streams. It is a slow growing, large deciduous shrub or small tree with an upright rounded habit that typically grows 3 to 12 feet tall. The trunk is short and generally branches close to the ground and the stout, upright, spreading branches bear slender twiggy branchlets, producing a rounded crown, 8 to12 feet across. Winterberry often suckers and grows in a multi-stemmed clump and may form a thicket of erect stems. Leaves are elliptic to obovate, toothed, dark green, 2 to 3 inches long. Fall color is usually negligible, but in some years leaves may turn attractive shades of maroon. If the leaves haven't fallen by the first hard frost, they turn black, hence the common name, "Black Alder." Relatively inconspicuous greenish-white flowers appear in the leaf axils in late spring. Flowers, if properly pollinated, give way to a crop of glossy bright red 1/4 inch berries in late summer to fall. Berries are quite showy and will persist throughout the winter (hence the common name) and often into early spring. Berries provide considerable impact and interest to the winter landscape.

A Winterberry, loaded with bright red berries on slender twigs is one of the prettiest shrubs in winter. It's especially attractive standing proudly with snow on its branches. It is a great shrub for wet areas in the landscape. Use it in shrub borders or in masses for its winter berry display. Winterberry is a good choice for an unclipped hedge. It looks great in front of evergreens. Many kinds of birds eat the fruits and often the shrubs are stripped bare before Christmas.

Winterberry branches with their showy red berries are often used as Christmas decorations and there is a commercial industry cultivating the plants for that purpose. Use them dry (don't put in water) and they will keep for months indoors.

Leaf: Alternate, simple, deciduous, margin sharply toothed, lance to egg-shaped (variable), glabrous and green above, paler and generally hairy below, 2 to 3 inches long. Flower: Dioecious; both male and females are stalked and greenish-white with 5-7 petals, usually in clusters, appear in spring. Fruit: Round drupes on female plants, 1/4 inch in diameter, glossy, bright red in clusters of 2 to 4, ripening in fall but persisting through the winter. Attracts birds.

Warning: Ilex fruits, while eagerly eaten by wildlife, are Poisonous to humans. Be certain that small children do not eat them. Twig: Slender, gray, with scattered light lenticels, buds and leaf scars are small, one vascular bundle scar, tiny, black thorn-like stipules may be present on either side of the leaf scar. Bark: Thin, smooth and grayish brown. Form: Upright shrub with multiple stems, reaches heights of 10 to 15 feet.

Zone: 3 to 9

Growth Rate: Moderate

Plant Type: Deciduous multi-stemmed shrub Family: Aquifoliaceae

Native Range: Eastern North America Height: 3 to 12 feet Spread: 3 to 12 feet Shape: Upright, Spreading, Oval to Rounded

Bloom Time: June-July

Sun: Full Sun to Part Shade. Fruits best in full sun. Fall Color: yellow-green with some purple tinges

Drought Tolerance: Not at all. Water regularly.

Water: Moderate to Wet

Maintenance: Low

Site Requirements /Soil Tolerances : Easily grown in average, acidic, medium to wet soils in full sun to part shade. Adaptable to both light and heavy soils, but prefers moist, acidic, organic loams. Good tolerance for poorly drained soils including wet boggy or swampy conditions. Leaves will yellow in neutral soils and the plant will likely die in alkaline soils. Winterberry is not at all tolerant of drought.

Culture: Winterberries are dioecious (separate male and female plants). Only fertilized female flowers will produce the attractive red berries that are the signature of the species. Generally one male plant within 50 feet will be sufficient for pollinating 9 to 10 female plants. Flowers appear on new growth. Prune to shape in early spring just before new growth appears.

Uses: Hedge. Excellent year round interest, highlighted by the showy display of red berries in winter. Mass or group in shrub borders, foundations, native plant areas or bird gardens. Excellent shrub for moist soils in low spots or along streams and ponds.

Sowing Ilex verticillataSeeds:

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

Winterberry seed need a warm spell then a cold spell in order to mature the embryo and reduce the seed coat.

Scarify: Soak in water 24 hours.

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

Germination: Sow 1/8”

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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  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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  • Seed Qty: 30 Seeds
  • Type: Bush & Shrub Seeds
  • Features: Fall Colors, Cold Resistant, Deciduous
  • Genus: Ilex verticillata
  • Plant Habit: Bush/Shrub
  • USDA Hardiness Zone (°F): 3 (-40 to -30 °F)
  • Foliage: Deciduous
  • Common Name: Winterberry Holly
  • Brand: Unbranded
  • Season of Interest: Fall, Spring, Summer, Winter

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