Gray Alder

Mature Height: Up to around 25.0 feet

Planting Distance: 6.0 feet

Plant Type: Tree, Shrub

Root Depth: 24 inches

Growth Form: Thicket Forming

Growth Rate: Rapid

Flower Color: Red, Green

Conspicuous Flowers: No

Bloom Time: Early Spring, Mid Spring

Seasonal Growth: Spring and Summer

Evergreen: No

Fall Colors: No

Shade Tolerance: Intermediate

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Low

Flood Tolerance: High

Fire Tolerance: High

Salt Tolerance: None

Pollinators: Native Bees; Larval Host (Butterfly); Larval Host (Moth); Wind

Larval Species depending on Gray Alder: Achatia distincta, Achiearis infans, Acleris braunana, Acleris caliginosana, Acleris cornana, Acleris fuscana, Acleris logiana placidana, Acleris maccana, Acrobasis rubrifasciella, Acronicta americana, Acronicta dactylina, Acronicta fragilis, Acronicta grisea, Acronicta hesperida, Acronicta impleta, Acronicta impressa, Acronicta innotata, Acronicta leporina, Aethalura intertexta, Agonopterix argillacea, Amorbia humerosana, Amphipyra pyramidoides, Anagoga occiduaria, Anaplectoides pressus, Anavitrinella pampinaria, Andropolia aedon, Antepione thisoaria, Antheraea polyphemus polyphemus, Archips argyrospila, Archips cerasivorana, Archips negundana, Archips rosana, Autographa ampla, Baileya doubledayi, Baileya ophthalmica, Bibarrambla allenella, Biston betularia cognataria, Caloptilia alnivorella, Caloptilia pulchella, Campaea perlata, Choristoneura conflictana, Choristoneura rosaceana, Clepsis persicana, Clostera albosigma, Coleophora fuscedinella, Coleophora serratella, Colocasia flavicornis, Colocasia flavicornis electa, Cucullia intermedia, Cucullia lucifuga, Cyclophora pendulinaria, Drepana arcuata, Drepana bilineata, Eacles imperialis, Ectropis crepuscularia, Elpiste lorquinaria, Enargia decolor, Epinotia rectiplicana, Epinotia solandriana, Erannis tiliaria vancouverensis, Eulithis xylina, Eulithis xylina speciosa, Eupithecia ravocostaliata, Euplexia benesimilis, Eupsilia tristigmata, Eurois astricta, Evora hemidesma, Gluphisia septentrionis, Gretchena semialba, Hemileuca nevadensis -complex, Heterocampa biundata, Homoglaea hircina, Hyalophora cecropia, Hyalophora columbia columbia, Hydria undulata, Hydriomena furcata, Hydriomena renunciata, Hypagyrtis unipunctata, Hyphantria cunae, Hyphantria cunea, Iridopsis emasculata, Iridopsis larvaria, Lacanobia radix, Limenitis arthemis, Limenitis arthemis rubrofasciata, Lithophane amanda, Lithophane dilatocula, Lithophane fagina, Lithophane pexata, Lithophane thaxteri, Lobophora nivigerata, Lomanaltes eductalis, Lophocampa maculata, Lycia rachelae, Lycia ursaria, Lymantria dispar, Macaria exauspicata, Malacosoma californica pluvialis, Malacosoma disstria, Melanchra adjuncta, Melanchra assimilis, Melanolophia canadaria, Metarranthis duaria, Morrisonia latex, Nadata gibbosa, Nealgedonia extricalis dionalis, Nematocampa filamentaria, Nemoria mimosaria, Nites betulella, Nites grotella, Olethreutes appendiceum, Olethreutes submissana, Orgyia antiqua, Orgyia antiqua nova, Orgyia leucostigma, Orgyia leucostigma plagiata, Orthosia hibisci, Orthosia rubescens, Orthotaenia undulana, Palthis angulalis, Pandemis canadana, Pandemis limitata, Pandemis pyrusana, Papilio glaucus, Papilio glaucus canadensis, Papilio glaucus glaucus, Papilio rutulus, Paradiarsia littoralis, Pero morrisonaria, Phlogophora periculosa, Phlyctaenia coronata tertialis, Phyllodesma americana, Phyllonorycter alnicolella, Phyllonorycter auronites, Phyllonorycter incanella, Plagodis alcoolaria, Plagodis phlogosaria, Plemyria georgii, Polia imbrifera, Polia nimbosa, Probole amicaria, Prochoerodes transversata, Protitame virginalis, Pseudothyatira cymatophoroides, Raphia frater, Rheumaptera hastata, Rheumaptera subhastata, Schizura concinna, Schizura ipomoeae, Schizura unicornis, Selenia alciphearia, Semiothisa aemulataria, Semiothisa ulsterata, Sparganothis pettitana, Sparganothis reticulatana, Sphinx gordius, Sphinx luscitiosa, Spiramater lutra, Stigmella canadensis, Synaxis jubararia, Syndemis afflictana, Tacparia detersata, Tortricidia testacea, Venusia cambrica, Venusia pearsalli, Zale metatoides, Zale minerea norda