Ideal conditions for most hostas is morning sun and high filtered afternoon shade. However, many hostas will grow fine in full sun if given adequate moisture to keep them from drying out. So water profusely and keep them heavily mulched.

Factors that affect sun-tolerance include genetics, amount of water, how far north and influence of latitude, filtered shade/indirect sunlight vs. full sun, morning sun with afternoon shade vs. morning shade with afternoon sun, etc.

Generally, thick-leaved hostas and those with fragrant flowers tolerate sun conditions better than others. In areas where summers are very hot and dry, hostas should be planted in some shade, as the sun is just too intense. In these environments, hostas may go heat dormant for the hottest part of the year.

Below is a list of cultivars and species with the potential to tolerate full sun.

'Abba Dabba Do'
'Abba Dabba Wow'
'Abiqua Recluse'
'Allan P. McConnell'
'American Choo Choo'
'Arctic Rim'
'Aspen Gold'
'August Moon'
'Birchwood Parky's Gold'
'Blonde Elf'
'Blue Angel'
'Blue Mammoth'
'Blue Mouse Ears'
'Blue Umbrellas'
'Bohemia Desert Border'
'Bohemia Praying Clown'
'Bohemia Ripple Blue Effect'
'Bright Lights'
'Brother Stefan'
'Captain Kirk'
'Carolina Sunshine'
'Cat and Mouse'
'Cathedral Windows'
'Cheatin Heart'
'Chinese Sunrise'
'Choo Choo Train'
'Christmas Gold'
'Circle of Light'
'City Lights'
clausa var. normalis
'Color Glory'
'Crown Prince'
'Day's End'
'Dee's Golden Jewel'
'Delona's Smile'
'Devon Green'
'Dixie Chick'
'Domaine de Courson'
'Don Stevens'
'Don's Gator Hide'
'Dust Devil'
'Eagle's Nest'
'El Niño'
'Elatior Falls'
'Emerald Tiara'
'English Sunrise'
'Essence of Summer'
'Eternal Flame'
'Fancy Plant'
'Fantasy Island'
'Feather Boa'
'Fire and Ice'
'First Frost'
'Flemish Gold'
'Flower Power'
'Fortunei Aureomarginata'
'Fragrant Bouquet'
'Fragrant Dream'
'Fragrant Fire'
'Fragrant Flame'
'Fragrant King'
'Fragrant Queen'
'Fragrant Star'
'Fried Bananas'
'Fried Green Tomatoes'
'Fringe Benefit'
'Frosted Frolic'
'Frozen Margarita'
'Funky Monkey'
'Gabriel's Wing'
'Garden Party'
'Gentle Giant'
'George Smith'
'Gilt by Association'
'Glen Eyeful Tower'
'Gold Drop'
'Gold Edger'
'Gold Glory'
'Gold Regal'
'Gold Standard'
'Golden Bullion'
'Golden Delight'
'Golden Fascination'
'Golden Friendship'

'Golden Galleon'
'Golden Gate'
'Golden Prayers'
'Golden Sculpture'
'Golden Tiara'
'Golden Waffles'
'Golden Years'
'Gosan Sunproof'
'Grand Master'
'Grand Prize'
'Grand Tiara'
'Grand Total'
'Green Acres'
'Green Fountain'
'Green Gables'
'Green Marmalade'
'Green Wedge'
'Guacamole and Sour Cream'
'Gunther's Prize'
'Gunther's Rim'
'Hadspen Blue'
'Hands Up'
'Hanky Panky'
'Heart and Soul'
'Heaven Scent'
'High Noon'
'High Society'
'Holy Mole'
'Holy Mouse Ears'
'Honey Pie'
'Hot Green Chilies'
'Ice Cream'
'Invincible Spirit'
'Irish Hills'
'Irish Luck'
'Iron Gate Delight'
'Jade Stone'
'Joshua's Banner'
'Journey's End'
'Julia Gaede'
'Just So'
'Katie Q'
'Kayleigh's Sunshine'
'King Tut'
'Korean Snow'
'Krossa Regal'
'Lakeside Baby Face'
'Lakeside Premier'
'Last Dance'
'Leather Sheen'
'Lemon Delight'
'Lemon Frost'
'Lemon Lime'
'Lime Piecrust'
'Little Aurora'
'Little Red Joy'
'Little Red Rooster'
'Little Sunspot'
'Little Wonder'
'Long Tom'
'Lunar Orbit'
'Marbled Bouquet'
'Margarita Ice'
'Maui Buttercups'
'Midas Touch'
'Millie's Memoirs'
'Ming Treasure'
'Miss Saigon'
'Mister Watson'
'Monster Ears'
'Night Shift'
'Ohh! Charlotte'
'Old Faithful'
'Old Glory'
'Olive Bailey Langdon'
'Olympic Sunrise'
'On Stage'
'Orange Marmalade'
'Pamela Lee'
'Paradise Joyce'
'Paradise On Fire'
'Paradise Sunshine'
'Paul's Glory'
'Pearl Lake'
'Pete's Mystery'
'Piedmont Gold'
'Prairie Magic'
'Prairie Sky'
'Praying Hands'
'Princess of Karafuto'
'Purple Haze'
'Queen Josephine'
'Radiant Edger'
'Radiant Star'
'Rainbow's Moon'
'Raleigh Remembrance'
'Raspberry Sorbet'
'Raucous Ruffles'
'Ray of Hope'
'Red Hot Poker'
'Red Stepper'
'Regal Splendor'
'Remember Me'
'Rhino Hide'
'Rising Sun'
'Roller Coaster Ride'
'Rosedale Genevieve'
'Rosedale Golden Goose'
'Royal Empress'
'Royal Mouse Ears'
'Royal Standard'
'Royal Super'
'Ruffed Up'
'Ryan's Big One'
'Sahara Nights'
'Second Wind'
'September Sun'
'Shade Fanfare'
'Sharon's Choice'
'Sherborne Swan'
'Shining Tot'
sieboldiana 'Elegans'
sieboldii 'Alba'
'So Sweet'
'Squash Casserole'
'Stained Glass'
'Strawberry Parfait'
'Sugar and Cream'
'Sugar and Spice'
'Sum and Substance'
'Summer Breeze'
'Summer Fragrance'
'Summer Lovin'
'Sun Glow'
'Sun Power'
'Sunlight Cinderella'
'Sun's Glory'
'Super Bowl'
'Sweet Bo Peep'
'Sweet Home Chicago'
'Sweet Tator Pie'
'Tears of Joy'
'Tick Tock'
'Tijuana Brass'
'Totally Twisted'
'Touch of Class'
'Twenty Four Carat Gold'
'Twist of Lime'
'Undulata Albomarginata'
'Valerie's Vanity'
'Valley's Chute-the-chute'
'Valley's Cover Lady'
'Vanilla Cream'
'Vera Verde'
'Viette Eighteen'
'Wheaton Blue'
'Whirling Dervish'
'White Fairy'
'White Shoulders'
'Winfield Gold'
'Wings of a Prayer'
'Winter Snow'
'Wylde Green Cream'
'Xanadu Paisley'
'Yan Zan'
'Yellow Splash Rim'
'Yu Lei'
'Zippity Do Dah'

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