Red Alder

Mature Height: Up to around 90.0 feet

Planting Distance: 6.0 feet

Plant Type: Tree

Root Depth: 25 inches

Growth Form: Single Stem

Growth Rate: Rapid

Flower Color: Red

Conspicuous Flowers: No

Bloom Time: Early Spring

Seasonal Growth: Spring, Summer, Fall

Evergreen: No

Fall Colors: No

Shade Tolerance: Intolerant

Clay Soil Tolerance: Yes

Sandy Soil Tolerance: Yes

Drought Tolerance: Medium

Flood Tolerance: Low

Fire Tolerance: High

Salt Tolerance: None

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

Larval Species depending on Red Alder: Achiearis infans, Acleris braunana, Acleris caliginosana, Acleris maccana, Acleris senescens, Acronicta funeralis, Acronicta grisea, Acronicta hesperida, Acronicta impleta, Amorbia humerosana, Amphipyra pyramidoides, Anavitrinella pampinaria, Andropolia aedon, Antheraea polyphemus, Antheraea polyphemus polyphemus, Apamea auranticolor, Archiearis infans oregonensis, Archips caja waroi, Archips rosana, Archips rosanus, Aseptis binotata, Autographa ampla, Besma quercivoraria, Biston betularia, Biston betularia cognataria, Caloptilia alnivorella, Caloptilia invariabilis, Campaea perlata, Choreutis diana, Clostera albosigma, Cyclophora pendulinaria, Drepana arcuata, Dysstroma citrata, Ectropis crepuscularia, Egira crucialis, Egira simplex, Elpiste lorquinaria, Ennomos magnaria, Ennomos magnaria ochreatus, Epinotia albangulana, Epinotia solandriana, Erannis tiliaria vancouverensis, Erannis tillaria, Eulia ministrana, Eulithis xylina, Eupithecia fletcherata, Eupithecia harrisonata, Eupithecia maestosa, Eupithecia subfuscata, Euplexia benesimilis, Exaeretia ciniflonella, Fishia evelina, Herpetogramma pertextalis, Hyalophora euryalus, Hydriomena furcata, Hydriomena irata, Hydriomena renunciata, Hypagyrtis unipunctata, Hyphantria cunae, Hyphantria cunea, Iridopsis emasculata, Lacanobia lilacina, Lacanobia lutra, Lambdina fiscellaria, Lambdina fiscellaria lugubrosa, Lambdina fiscellaria somniaria, Lithophane dilatocula, Lithophane georgii, Lithophane innominata, Lithophane petulca, Lithophane pexata, Lobophora simsata, Lophocampa argentata, Lophocampa maculata, Lophocampa maculatat, Lycia ursaria, Macaria loricaria julia, Malacosoma californica pluvialis, Malacosoma californicum, Malacosoma disstria, Melanchra adjuncta, Melanolophia imitata, Metarranthis duaria, Nadata gibbosa, Nematocampa filamentaria, Nematocampa resistaria, Neoalcis californiaria, Olethreutes albiciliana, Olethreutes appendiceum, Oligia illocata, Oligocentria pallida, Oligocentria semirufescens, Operophtera occidentalis, Orgyia antiqua, Orgyia vetusta, Orthosia hibisci, Orthotaenia undulana, Pandemis limitata, Pandemis pyrusana, Papestra cristifera, Papilio eurymedon, Papilio rutulus, Peridroma saucia, Pero gigantea, Pero morrisonaria, Phlogophora periculosa, Phyllodesma americana, Plagodis phlogosaria, Plagodis phlogosaria approximaria, Plemyria georgii, Polia discalis, Polia nimbosa, Probole alienaria, Probole amicaria, Pseudorthodes irrorata, Pseudosciaphila duplex, Pseudothyatira cymatophoroides, Rheumaptera hastata, Rheumaptera subhastata, Rheumaptera subhastata albodecorata, Sabulodes aegrotata, Sabulodes caberata, Selenia alciphearia, Semiothisa granitata-group, Sicya crocearia, Sicya macularia, Sparganothis pettitana, Spiramater lutra, Synaxis jubararia, Thallophaga hyperborea, Venusia cambrica, Venusia pearsalli, Xanthorhoe defensaria, Xestia smithii, Xylena cineritia, Xylena nupera