{"product_id":"aulne-crispe","title":"Green Alder","description":"\u003ch2\u003e\u003cstrong\u003eGreen Alder (\u003cem\u003eAlnus crispa\u003c\/em\u003e)\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFast-Growing, Hardy Shrub for Ontario and Eastern Canada (Zones 1–5)\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick Expert Summary\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eGreen Alder\u003c\/strong\u003e (\u003cem\u003eAlnus crispa\u003c\/em\u003e) is a \u003cstrong\u003efast-growing\u003c\/strong\u003e, \u003cstrong\u003ecold-hardy\u003c\/strong\u003e shrub ideal for Ontario and Eastern Canada (Zones \u003cstrong\u003e1–5\u003c\/strong\u003e). It typically grows quickly each year and reaches approximately \u003cstrong\u003e10 ft (3 m)\u003c\/strong\u003e at maturity. Best for \u003cstrong\u003ehedges\u003c\/strong\u003e, \u003cstrong\u003egarden borders\u003c\/strong\u003e, and \u003cstrong\u003ewildlife habitat\u003c\/strong\u003e, it offers \u003cstrong\u003edense foliage\u003c\/strong\u003e, \u003cstrong\u003earomatic leaves\u003c\/strong\u003e, and \u003cstrong\u003eexcellent adaptability to poor soils and urban conditions\u003c\/strong\u003e.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhy Choose Green Alder for Ontario and Eastern Canada?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eA versatile, hardy \u003ca href=\"https:\/\/treesonline.ca\/collections\/deciduous-shrubs-of-eastern-canada\" title=\"Decidious Shrubs of Quebec and Ontario\"\u003eshrub\u003c\/a\u003e, Green Alder thrives in a range of soil types while providing quick coverage and wildlife benefits. Its compact form and rapid growth make it ideal for privacy screens and ornamental borders.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHardiness:\u003c\/strong\u003e Zone 1 (Ideal for Ontario and Eastern Canada Zones 1–5)\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Fast\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eBest For:\u003c\/strong\u003e Hedges, Privacy, Wildlife habitat\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMaintenance:\u003c\/strong\u003e Low once established\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eKey Feature:\u003c\/strong\u003e Nitrogen-fixing roots that improve soil fertility\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNative \/ Non-native:\u003c\/strong\u003e Native to North America\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIt adapts well to:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePoor or gravelly soils\u003c\/li\u003e\n\u003cli\u003eClay, loam, and sandy textures\u003c\/li\u003e\n\u003cli\u003eAcidic to slightly alkaline soils\u003c\/li\u003e\n\u003cli\u003eUrban and rural conditions\u003c\/li\u003e\n\u003cli\u003eWind, snow load, drought, and wet soils\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eTree\/Shrub Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMature Height\u003c\/td\u003e\n\u003ctd\u003e10 - 15ft (3 - 5 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMature Spread\u003c\/td\u003e\n\u003ctd\u003e5 ft (1.5 m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGrowth Rate\u003c\/td\u003e\n\u003ctd\u003eFast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardiness Zone\u003c\/td\u003e\n\u003ctd\u003e1 (Ideal for Ontario and Eastern Canada Zones 1–5)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSun Exposure\u003c\/td\u003e\n\u003ctd\u003eFull sun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoil Preference\u003c\/td\u003e\n\u003ctd\u003ePoor, gravelly, clay, loam, sandy soils\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Needs\u003c\/td\u003e\n\u003ctd\u003eModerate; regular watering during first year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDrought Tolerance\u003c\/td\u003e\n\u003ctd\u003eHigh once established\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeer Resistance\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifespan\u003c\/td\u003e\n\u003ctd\u003e30+ years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eIs Green Alder Right for Your Yard?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eChoose Green Alder if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYou want a fast-growing hedge or privacy screen within 2–3 years\u003c\/li\u003e\n\u003cli\u003eYou have a small to medium yard\u003c\/li\u003e\n\u003cli\u003eYou live in Zone 1–5\u003c\/li\u003e\n\u003cli\u003eYou want ornamental foliage and abundant wildlife-friendly fruits\u003c\/li\u003e\n\u003cli\u003eYou need a shrub for windbreaks, hedges, or borders\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNot ideal if:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYour yard is extremely small (mature spread may be wide relative to space)\u003c\/li\u003e\n\u003cli\u003eYou need full shade coverage (requires sun)\u003c\/li\u003e\n\u003cli\u003eYou are planting too close to foundations or sidewalks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eBest Uses\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBackyard privacy hedge\u003c\/li\u003e\n\u003cli\u003eGarden border \/ ornamental shrub\u003c\/li\u003e\n\u003cli\u003eWind protection in open areas\u003c\/li\u003e\n\u003cli\u003eWildlife habitat for birds and pollinators\u003c\/li\u003e\n\u003cli\u003eErosion control\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIts dense, bushy form provides quick coverage, aromatic leaves, and abundant fruiting \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Strobilus\" title=\"Strobilus\" rel=\"noopener\" target=\"_blank\"\u003estrobiles\u003c\/a\u003e that attract wildlife while stabilizing soil.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat Makes Green Alder Special?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eSpring:\u003c\/strong\u003e Yellow-green \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Catkin\" title=\"Male Catkins\" rel=\"noopener\" target=\"_blank\"\u003emale catkins\u003c\/a\u003e and \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Strobilus\" title=\"Female Strobilus\" rel=\"noopener\" target=\"_blank\"\u003efemale strobiles\u003c\/a\u003e appear before leaves\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSummer:\u003c\/strong\u003e Glossy green leaves with a bushy form for shade and privacy\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eFall:\u003c\/strong\u003e Leaves turn brown; persistent strobiles remain decorative\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eWinter:\u003c\/strong\u003e Woody stems and strobiles add texture and provide wildlife food. These cones are also used as a \u003ca href=\"https:\/\/treesonline.ca\/blogs\/news\/eastern-canada-forest-spices\" title=\"Discover Eastern Canada's Forest Spices\"\u003espice in northern cuisine and are sometimes called \u003cstrong\u003e“dune pepper.”\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eWinter Survival in Ontario and Eastern Canada\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes, \u003cstrong\u003eGreen Alder\u003c\/strong\u003e is hardy in Ontario and Eastern Canada Zones \u003cstrong\u003e1–5\u003c\/strong\u003e and tolerates harsh Canadian winters, snow load, and freezing temperatures.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdd 2–3 inches of mulch\u003c\/li\u003e\n\u003cli\u003eWater deeply before the first hard frost\u003c\/li\u003e\n\u003cli\u003eProvide temporary wind protection if exposed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003ePlanting Guide for Ontario and Eastern Canada\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBest planting time:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring (April–June)\u003c\/li\u003e\n\u003cli\u003eEarly Fall (September–October)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSpacing:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3–4 ft from foundations\u003c\/li\u003e\n\u003cli\u003e5 ft between shrubs for hedges\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWatering (first year):\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDeep watering weekly for 8–12 weeks\u003c\/li\u003e\n\u003cli\u003eAdjust based on rainfall and soil drainage\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eQuick Answers (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow fast does Green Alder grow in Ontario?\u003c\/strong\u003e\u003cbr\u003eTypically fast-growing; achieves full hedge height in 2–3 years.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it cold hardy in Ontario?\u003c\/strong\u003e\u003cbr\u003eYes. Hardy to Zone 1 and performs well in Ontario and Eastern Canada Zones 1–5.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need another plant for pollination?\u003c\/strong\u003e\u003cbr\u003eNo, pollination occurs naturally with catkins and strobiles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the roots invasive?\u003c\/strong\u003e\u003cbr\u003eNo aggressive roots, but allow about 5 ft spacing from structures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it messy?\u003c\/strong\u003e\u003cbr\u003eLeaves drop in fall; persistent strobiles remain ornamental.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eCompare With Similar Trees\/Shrubs\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eTree\u003c\/th\u003e\n\u003cth\u003eGrowth\u003c\/th\u003e\n\u003cth\u003eKey Feature\u003c\/th\u003e\n\u003cth\u003eBest For\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/arbresenligne.com\/en\/products\/green-alder\" title=\"Green Alder (Alnus crispa)\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/products\/green-alder\" title=\"Green Alder (Alnus crispa)\"\u003eGreen Alder\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eFast\u003c\/td\u003e\n\u003ctd\u003eDense bush, wildlife-friendly fruit\u003c\/td\u003e\n\u003ctd\u003eHedges, privacy, windbreak\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/arbresenligne.com\/en\/products\/speckled-alder\" title=\"Speckled Alder (Alnus rugosa)\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/products\/speckled-alder\" title=\"Speckled Alder (Alnus rugosa)\"\u003eSpeckled Alder\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eModerate\u003c\/td\u003e\n\u003ctd\u003eOrnamental catkins\u003c\/td\u003e\n\u003ctd\u003eGarden borders, pollinators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ca href=\"https:\/\/arbresenligne.com\/en\/products\/mountain-maple\" title=\"Mountain Maple (Acer spicatum)\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/products\/mountain-maple\" title=\"Mountain Maple (Acer spicatum)\"\u003eMountain Maple\u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003eSlow\u003c\/td\u003e\n\u003ctd\u003eFall foliage color\u003c\/td\u003e\n\u003ctd\u003eSmall yards, ornamental\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eShipping Across Quebec, Ontario and Atlantic Provinces\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNursery-grown\u003c\/li\u003e\n\u003cli\u003eCarefully packaged\u003c\/li\u003e\n\u003cli\u003eShipped to your door in Ontario and Eastern Canada\u003c\/li\u003e\n\u003cli\u003eHealthy root system guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cstrong\u003eExplore Related Collections\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/treesonline.ca\/collections\/deciduous-shrubs-of-eastern-canada\" title=\"Shrubs of Quebec and Ontario\"\u003eDeciduous Shrubs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/treesonline.ca\/collections\/zone-1-plants-eastern-canada\" title=\"Zone 1 Plants\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/collections\/zone-1-plants-eastern-canada\" title=\"Collection: Hardiness Zone 1 Plants\"\u003eHardiness Zone 1 Plants\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/collections\/birch-trees\" title=\"Collection: Birch Trees\"\u003e\u003c\/a\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/treesonline.ca\/collections\/wetland-plants\" title=\"Collection: Wetland Plants\"\u003eWetland Plants\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eRelated Articles:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/treesonline.ca\/blogs\/news\/eastern-canada-forest-spices\" title=\"Discover Eastern Canada's Forest Spices\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/blogs\/news\/eastern-canada-forest-spices\" title=\"Nursery Blog: Discover Eastern Canada's Forest Spices\"\u003eDiscover Eastern Canada's Forest Spices\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/treesonline.ca\/blogs\/news\/deciduous-shrubs-pruning\" title=\"Why, How and When to Prune Decidious Shrubs in Eastern Canada?\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/treesonline.ca\/blogs\/news\/deciduous-shrubs-pruning\" title=\"Nursery Blog: Why, How and When to Prune Decidious Shrubs in Eastern Canada?\"\u003eWhy, How and When to Prune Decidious Shrubs in Eastern Canada?\u003c\/a\u003e\u003cbr\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Arbresenligne.com","offers":[{"title":"Small (100 ml)","offer_id":47260057829695,"sku":null,"price":3.95,"currency_code":"CAD","in_stock":true},{"title":"Large (310 ml)","offer_id":47260057862463,"sku":null,"price":6.25,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0834\/8241\/1327\/files\/aulne-crispe-alnus-crispea-illustration.jpg?v=1720108129","url":"https:\/\/treesonline.ca\/products\/green-alder","provider":"Arbresenligne","version":"1.0","type":"link"}