Souce for Otto Luykens

I'm from the UK and can't advise about mail order in the US but have found a list that is supposed to be of garden centres around Arkansas. I'm not sure if all of them are garden centres and some might be too far away, but hopefully you will find it somewhere.

Good Earth Garden Center & Nurseries Little Rock, Arkansas 72223 501-868-4666
Spring Creek Nursery Amity, Arkansas AR 71921
Wee Bee Flowers 555 Cason Lane, Batesville, Arkansas AR 72501
Cox Family Gardens 520 Alcoa Road, Benton, Arkansas AR 72015
The Great Outdoors & Indoors Lonsdale On Highway 70, Benton, Arkansas AR 72015
Bogle's Nursery Bentonville, Arkansas AR 72712
Garden City Nursery 2105 South Walton Boulevard, Bentonville, Arkansas AR 72712
Mary's Place 3705 Highway 5 North, Bryant, Arkansas AR 72022
Pittman Garden Center 712 Jefferson Dr Nw, Camden, Arkansas AR 71701
Davidson & Company Nursery Highway 64 East, Conway, Arkansas AR 72032
Horticare Landscaping CO Conway, Arkansas AR 72032

Anything Grows Greenhouse 348 Highway 71 North, De Queen, Arkansas AR 71832
Mac's Nursery & Garden Shop 1305 West 19th Street, El Dorado, Arkansas AR 71730
Garden Pleasures 128 Spring Street, Eureka Springs, Arkansas AR 72632
North American Bancard Eureka Springs, Arkansas AR 72632
American Milling & Feed Store 500 West Prairie Street, Fayetteville, Arkansas AR 72701
Dragonfly Water Gardens 1430 West Cato Springs, Fayetteville, Arkansas AR 72701
Epperly Mini-Storage 2525 West Mount Comfort Road, Fayetteville, Arkansas AR 72704
Plants Ponds & Perfection 2220 East Huntsville Road, Fayetteville, Arkansas AR 72701
Westwood Gardens 2104 East Mission Boulevard, Fayetteville, Arkansas AR 72703
Westwood Gardens 4324 West Wedington Drive, Fayetteville, Arkansas AR 72704
Westwood Gardens - Landscapes 4324 West Wedington Drive, Fayetteville, Arkansas AR 72704
Fort Smith Garden Center 4100 Planters Road, Fort Smith, Arkansas AR 72908
Sudden Shade 4100 Planters Road, Fort Smith, Arkansas AR 72908
101 Mower Mart Gamaliel, Arkansas AR 72537
Bloomin Baskets 806 East Broadway, Glenwood, Arkansas AR 71943
Gibson Garden & Gifts 1206 1st Avenue Southeast, Gravette, Arkansas AR 72736
Brushy Creek Nursery Highway 278 West, Hampton, Arkansas AR 71744
Farmers Cooperative of Harrison - Lawn & Garden Center 123 North Olive Street, Harrison, Arkansas AR 72601
Rock Springs Gardens 5125 Rock Springs Road, Harrison, Arkansas AR 72601
Sunshine & Flowers 1944 Highway 65 South, Harrison, Arkansas AR 72601
Byrd's Garden Center Highway 49 West, Helena, Arkansas AR 72342
Oliver's Tree Service Henderson, Arkansas AR 72544
Tranquil Gardens 4882 Malvern Road, Hot Spgs Nationl Prk, Arkansas AR 71901
Unique Garden & Outdoor Living 1331 Airport Road, Hot Spgs Nationl Prk, Arkansas AR 71913
Wild Bird Center 252 Cornerstone Boulevard, Hot Spgs Nationl Prk, Arkansas AR 71913
Clay Works 3218 Neil Circle, Jonesboro, Arkansas AR 72401
Garden Clubs Center of Little Rock 1501 Kavanaugh Boulevard, Little Rock, Arkansas AR 72205
Pulaski-County - Garden Center 6722 Two Rivers Park Drive, Little Rock, Arkansas AR 72223
The Great Outdoors & Indoors Lonsdale On Highway 70, Lonsdale, Arkansas AR 72087
Pittman - Gardens 914 North Dudney Road, Magnolia, Arkansas AR 71753
Flower Depot 616A Highway 365, Mayflower, Arkansas AR 72106
Greenscape Nursery Inc 494 Highway 425 North, Monticello, Arkansas AR 71655
Kingdom Hall of Jehovah's Witness Po Box 213, Morrilton, Arkansas AR 72110
Cox's Plumbing Inc Mountain Home, Arkansas AR 72653
Gonce Nurseries 703 East 9th Street, Mountain Home, Arkansas AR 72653
Highlander Blueberry Nursery 1355 Madison 4350, Pettigrew, Arkansas AR 72752
Shades & Blades Nursery & LA 90 East Wood, Pleasant Plains, Arkansas AR 72568
River Valley Tree Service Russellville, Arkansas AR 72801
Westwood Gardens 1709 North Thompson Street, Springdale, Arkansas AR 72764
House Nursery & Landscaping Stuttgart, Arkansas AR 72160
Park Avenue Nursery 1921 South Buerkle Street, Stuttgart, Arkansas AR 72160
Gorrell Feed Mill Subiaco, Arkansas AR 72865
Deltic Timber Corporation Seed Orchard 1511 Columbia Road 31, Waldo, Arkansas AR 71770
Birdsview Farms 405 West 2nd Street, Waldron, Arkansas AR 72958

There is an online company that advertises them.

If you copy and paste the link below into your browser, hopefully it will come up.

http://www.forestfarm.com/product.php?id=3674