Use of vegetatively propagated plants, sold as 'Whitespire Sr.', are more reliably resistant to the borer. Shows some resistant to bronze birch borer. It is now assigned to Betula populifolia and the plants are often sold under the name 'Whitespire Senior' to avoid confusion. Send by email Printer-friendly version. It typically occurs in both dry and wet soils. Genus: Betula. In the St. Louis area, it is best sited in a northern or eastern exposure that receives some afternoon shade. Latin: Betula populifolia. Betula populifolia Marsh. CT, MA, ME, NH, RI, VT. Woodlands, swamps, wetland margins, forests, regenerating fields. Join now. Find Whitespire Senior Birch (Betula populifolia 'Whitespire Senior') in Boston Concord Sudbury Weston Newton Lexington Massachusetts MA at Stonegate Gardens (Betula platyphylla) This cultivar demonstrates good resistance to bronze birch borer (BBB). SunMed Shows some resistant to bronze birch borer. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. River Birch (Betula nigra) trees grow quickly since they’re often positioned near swampy land. This tree reportedly has some resistance to the borer. CPN (Certified Plant Nerd)Patrick.Breen@oregonstate.edu, formerly B. platyphylla var. The apex is acuminate and the margin slightly lobed or doubly serrate. 2×9. Hardy to USDA Zone 4. In St. Louis, gray birch is best grown in medium to wet, well-drained, sandy or rocky loams in full sun to part shade. 'Royal Frost' is a hybrid cross between Betula populifolia 'Whitespire' (which gives it white bark) and Betula 'Crimson Frost' (responsible for the unusual purple leaves). Birch leaf miner may also cause significant problems. It is considered distinct in the trade from Whitespire Senior gray birch, a related cultivar propagated by tissue culture or vegetative propagation from an original tree selected for its Leaves are glossy, dark green turning yellowish-green in fall. Betula populifolia bark, Vermont, US. Soil/Climate: Gray birch is native to eastern Pennsylvania, New Jersey, and New York. Family: Betulaceae. BETULA POPULIFOLIA 'WHITESPIRE' Whitespire has a beautiful spire-like upright form, white non-exfoliating bark and excellent bronze birch borer resistance. Fall is a festival of colors ranging from bright red, orange,yellow and purple. The desirable leaf color holds very well through out the summer. is an infrequent birch hybrid often referred to as the blue birch. Other common names:Gray Birch. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Tiny monoecious flowers appear in early spring in separate catkins on the same tree: yellowish-brown male flowers in single catkins (to 4” long) at the branch tips and greenish female flowers in smaller, upright catkins (to 1/2” long). This plant is a cultivar of a species that is native to the Chicago region according to … Betula populifolia 'Whitespire' Mature Height: 30 - 40 feet: Mature Spread: 20 - 25 feet: Sun Exposure: Full Sun: Soil Type: Widely Adaptable: Growth Rate: Fast: Foliage: Green: Fall Color: Yellow: Pollinator Friendly: Yes Patrick Breen, Native to (or naturalized in) Oregon: No. Betula populifolia ‘Whitespire’ is a cultivar of grey birch that was selected and introduced in 1983 by Edward R. Hasselkus of the University of Wisconsin-Madison. Common name: Gray Birch . Paper Birch (Betula papyrifera) trees, meanwhile, have bark on them as thin as paper. 'Whitespire' is best known for its upright form, non-exfoliating white bark, dark green leaves and attractive yellow fall color. Whitespire was first considered a cultivar of the Japanese Asian White Birch (Betula platyphylla japonica). Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Whitespire Birch is a deciduous tree with a distinctive and refined pyramidal form. Whitespire Birch is a deciduous tree with a distinctive and refined pyramidal form. Description. Whitespire Birch is a deciduous tree with a distinctive and refined pyramidal form. Zones: 3-7. Mature Height: commonly 20-30′ tall with fast growth rate. It typically occurs in both dry and wet soils. It also tolerates poor soils. It seems to tolerate drier soils in its native range. Betula populifolia "Whitespire" Birch, Whitespire: A narrow pyramidal white barked birch that is tolerant of high temperatures and resistant to the bronze birch borer. ... A selection that is resistant to the bronze birch borer is 'Whitespire Senior'. The species, Betula populifolia, or gray birch, is a short-lived, narrow-columnar, suckering, deciduous tree that typically grows to 20-40’ tall. It is native primarily from Southeastern Canada to Virginia, with a scattering of plants extending westward to Illinois. Betula is Latin for birch and describes a genus of about 60 species of deciduous trees and shrubs found in many gardens and landscapes throughout the northern hemisphere. It is native primarily from Southeastern Canada to Virginia, with a scattering of plants extending westward to Illinois. The Garden wouldn't be the Garden without our Members, Donors and Volunteers. 9. 'Whitespire' was originally named as a cultivar of Betula platyphylla var. Whitespire Birch will grow to be about 40 feet tall at maturity, with a spread of 26 feet. In cool northern climates, this gray birch may naturalize by self-seeding and root suckers to form attractive strands. Betula populifolia, commonly called gray birch, is a short-lived, narrow-columnar, suckering, deciduous tree that typically grows to 20-40’ tall. Its average texture blends into the landscape, but can be balanced by one or two finer or coarser trees or shrubs for an effective composition. 35 Search Results. At first, it was believed to be from the Japanese Asian White Birch (Betula platyphylla japonica) but some years later it was realized that it was a selection from the Gray Birch (Betula populifolia,) Whitespire is offered at good number of nurseries in the northern USA. japonica ‘Whitespire’, College of Agricultural Sciences - Department of Horticulture, USDA Hardiness Zone Maps of the United States, Oregon Master Gardener Training: Identifying Woody Plants. Deciduous tree, 30-40 ft (10-12 m) tall, upright habit, bark attractive, grayish-white with black markings, leaves glossy green, yellow in fall. 'Whitespire Sr.' Nursery Availability 1 - 35 of 35. Betula populifolia 'Whitespire'. It most often appears in a multi-trunked form, but also grows with a single trunk. The species is noted for its non-peeling chalky white bark and its … Landscape Attributes: Whitespire Birch is a deciduous tree with a distinctive and refined pyramidal form. Sun, will grow on poor soil, both wet and dry. Plants stressed by insects seem more susceptible to cankers. Consider using soaker hoses and bark mulches to keep the root zones cool and moist. N. gray birch. Beautiful glossy deep burgundy red leaf color and cinnamon to white exfoliating bark puts this Birch tree in a class of it's own. River birch (see Betula nigra) is a better selection for St. Louis. populifolia: popular-leaved. Betula populifolia 'Whitespire' Join the RHS today and get 12 months for the price of 9. Whitespire Senior gray birch. Gray Birch (Betula populifolia 'Whitespire'): Whitespire gray birch is a cultivar of the gray birch that may be propagated from seed and may or may not be resistant to the bronze birch borer. Genus Betula. Plants have rough-warty twigs.Genus name is the Latin name for birch. It thrives in cool northern summers, but does poorly in the heat and humidity of St. Louis. Betula cordifolia × Betula populifolia → Betula ×‌caerulea Blanch. The name 'Whitespire' was incorrectly assigned to Betula platyphylla. Specific epithet come from the Latin populus meaning poplar genus and folia meaning leaves like those of the poplar.Species name comes from Populus (poplar genus) and Latin folia (leaf) in reference to leaf appearance. Bloom Description: Yellow brown (male), Green (female). Fall color is usually undistinguished. Birches look especially nice growing in clumps, which you can accomplish by getting three small trees and planting them in one large hole or by letting us do the work! Triangular leaves (each to 3” long) are double-toothed and shiny with tapered tips. Height: 20-40ft Spread: 10-20ft Zone: 3-6 Exposure: Full sun to part shade Growth Rate: Moderate Bloom Time/Color: N/A Fall Color: Yellow Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Selected at the University of Wisconsin, this handsome upright growing 20-40' x 20' t Whitespire Birch is very adaptable preferring moist, well … This white birch was selected at the Arboretum of the University of Wisconsin in Madison because it showed more Bronze Birch Borer resistance than most other white barked birches. Betula populifolia 'Whitespire Sr.' Betula populifolia 'Whitespire Sr.' Scientific Name: Betula L. (Betulaceae) populifolia Marsh. Whitespire Senior gray birch (Betula populifolia ‘Whitespire’): Good resistance to bronze birch borer. This small deciduous tree is native to the northeastern quadrant of the North American continent and is one of the most elegant and easily recognized trees on the High Line. Vegetatively propagated plants of this cultivar are considered to have better resistance to bronze birch borer than seed propagated plants, resulting in the use of the cultivar name 'Whitespire Senior' by some nurseries as a way of designating those plants which have been vegetatively propagated. It grows at a medium rate, and under ideal conditions can be expected to live for 40 years or more. Last-listed in the RHS Plant Finder in 2017. A white-barked birch with moderate resistance to the bronze birch borer. 'Whitespire' reportedly has some resistance to the borer. Landscape architects and homeowners both use this cultivar. It has a low canopy with a typical clearance of 4 feet from the ground, and should not be planted underneath power lines. japonica when introduced into commerce in 1983, but that designation was subsequently changed when it was determined 'Whitespire' was in fact a gray birch. Selected at the U of WI this handsome 30-40' x 20' tree offers chalk white bark glossy dark green fine textured foliage tolerant of high temps AND resistance to the birch borer... an excellent tree for wide use. Betula populifolia 'Whitespire' Whitespire gray birch The 2 1/2 to 3 1/2" long leaves are triangular-ovate with the base very broadly acute to truncate or subcordate. Betula is Latin for birch and describes a genus of about 60 species of deciduous trees and shrubs found in many gardens and landscapes throughout the northern hemisphere. Betula populifolia. Gray Birch (Betula populifolia) or “Whitespire” trees have an unmistakable chalky white bark. Although this gray birch has some susceptibility to aphids, birch skeletonizer and dieback, these problems are usually considered to be somewhat minor in comparison to the birch borer and birch leaf miner. It is now assigned to Betula populifolia and the plants are often sold under the name 'Whitespire Senior' to … Whitespire Birch is a deciduous tree with a distinctive and refined pyramidal form. This species of birch grows poorly and is generally short-lived in the St. Louis climate. Betula populifolia x Whitespire 'Royal Frost' Buy Royal Frost Birch online. Sun, will grow on poor soil, both wet and dry. Performs best in cool northern climates where summer temperatures rarely exceed 75 degrees F. and where shallow root systems are generally covered with snow throughout the winter. It also can be effective as a landscape tree. Avoid pruning in spring when the sap is running. Click image to enlarge. Betula populifolia. In optimum growing conditions, plants will easily spread by suckers. Although the grey birch exhibits a smooth, thin white bark which can easily be confused with that of the paper birch … This tree is noted for (1) its non-peeling chalky white bark with dark chevron trunk patches appearing b… It needs little pruning, but if necessary, prune during the dormant season. The name 'Whitespire' was incorrectly assigned to Betula platyphylla . Not recommended for the St. Louis climate. Whitespire Senior Birch is a deciduous tree with a distinctive and refined pyramidal form. This tree is noted for (1) its non-peeling chalky white bark with dark chevron trunk patches appearing below each branch base and (2) its long-pointed triangular green leaves. Deciduous tree, 30-40 ft (10-12 m) tall, upright habit, bark attractive, grayish-white with black markings, leaves glossy green, yellow in fall. Fire Birch. AKA Betula populifolia 'Whitespire Senior' Upright, pyramidal habit; Chalky-white bark does not peel; Triangular leaves are dark green in the summer, turning yellow in the fall; Male and female flowers, lead to cylindrical catkins, persisting into winter; Bloom Time: Spring It most often appears in a multi-trunked form, but also grows with a single trunk. Its relatively fine texture sets it apart from other landscape plants with less refined foliage. Weakened birches become very vulnerable to the bronze birch borer which, in the St. Louis area, typically infects and kills trees that are stressed by summer heat and humidity. Betula populifolia, commonly called gray birch, is a short-lived, narrow-columnar, suckering, deciduous tree that typically grows to 20-40’ tall. Leaves turn yellow in autumn. Betula populifolia, commonly called gray birch, is a short-lived, narrow-columnar, suckering, deciduous tree that typically grows to 20-40 tall. Pronunciation: BET-u-la pop-u-li-FO-li-a. 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