Best Months to Observe Butterflies in Phoenix Butterflies are most active when it’s warm and when nectar sources are readily available. So what are the best months to observe butterflies in the Phoenix Sonoran Desert?In Phoenix, Queens, Fiery Skippers and Gulf Fritillaries are usually around all summer. You can expect to see a showing of butterflies in the late winter into Spring, but the biggest show often comes in the months of August, September and October.Western Pygmy Blue, Oct 25, 2021The three popular months coincide with Phoenix Monsoon and quite a number of blooming nectar plants. Following are some observations from the 2021/2022 calendar years in Phoenix. Note that 2021 was an amazing banner year for butterflies!Some October ObservationsLarge Orange SulphurMonarchPainted LadyMexican YellowAmerican SnoutDainty SulphurCeraunus BlueOrange SulphurWestern Pygmy BlueFiery SkipperCloudless SulphurGreat Purple HairstreakQueenSleepy OrangeFunereal DuskywingEcho AzureArizona Powdered SkipperCloudless SulphurTiny Checkerspot (Pinal County)California PatchEmpress LeiliaViolet-clouded SkipperFatal MetalmarkWest Coast LadyQueenEufala SkipperNorthern White SkipperSome November ObservationsWestern Pygmy BlueReakirt’s BlueSleepy OrangeMexican YellowAmerican LadyCheckered WhiteOrange SulphurDainty SulphurPipevine SwallowtailPainted LadyCommon and White Checkered SkippersVariegated FritillaryGray HairstreakQueenAmerican LadyAmerican SnoutFiery SkipperGulf FritillaryGray BuckeyeMonarchRed AdmiralSome December ObservationsPainted LadyFunereal DuskywingGulf FritillaryMonarchWest Coast LadyQueenGray BuckeyeMexican YellowDainty SulphurCeraunus BlueSome January ObservationsGulf FritillaryQueenMonarchReakirt’s BlueQueenAmerican SnoutPainted LadyWest Coast LadySome February ObservationsMourning CloakAmerican SnoutGray HairstreakSleepy OrangeOrange SulphurSome March ObservationsRed AdmiralWestern Giant SwallowtailFunereal DuskywingWest Coast LadyGreat Purple HairstreakSome April ObservationsMarine BlueGray BuckeyeDainty SulphurEcho AzureSleepy OrangeCommon Checkered SkipperJuniper HairstreakAmerican SnoutPainted LadySome May ObservationsCabbage WhiteNorthern White SkipperEcho AzurePipevine SwallowtailCalifornia PatchSome June ObservationsReakirt’s BlueMarine BlueEmpress LeiliaCeraunus BlueSome July ObservationsFiery SkipperQueenQueen CaterpillarSleepy OrangeGulf FritillaryShare this:FacebookXWhatsAppPinterestRedditPrintLike this:Like Loading... Related Published by George@PW View all posts by George@PW