It is amazing how may species of cacti are winter hardy in my zone 5/6. The more I research the more I find! There are various species of agave, and iceplants that should do wonderfully in my well draining sandy soil! Here is a list of cacti and succulant seeds I'll be starting this year! Cactus and succulent seed inventory December 2011 Seeds from (http://www.mesagarden.com/)-> Mesa Garden NM, and (http://www.cactusstore.com/category_100/CACTI-SEED-INDEX.htm)-> Phoenix Desert Nursery AZ All are winter hardy in zones 5/6 ~~0F All require loose well draining soil especially during the winter months! Echinocerus clorantus SB136 - long twisted spines Echinocerus clorantus cylindricus - red spines, copper flowers Echinocerus coccineus - clump former, dense needle-like spines, Echinocerus coccineus (Mexican Claret Cup) clump former, 16"s tall, orange/red flowers Echinocerus fendleri DJF883.4 - tall clumper Echinocerus fendleri JHT554 from NM- giant stems, huge purple flowers Echinocerus fendleri kuenzleri SB353 -heavy white corky spines Echinocerus reichenbachii -Pink flowers, up to 16"s high, clumper Echinocerus russanthus -Northern Texas ~very fine red spines, dark flowers Echinocerus texensis NM, Texas northern M~Nicknamed the horse crippler! 12" and 8"s high, pink flowers and red fruit. Echinocerus triglochidiatus Echinocerus triglochidiatus v. gonacanthus Echinocerus triglochidiatus SB1598 - stems to 36 inches tall Echinocerus triglochidiatus mojavensis f. inermis -some spiny some naked Echinocerus viridiforus -yellow/ greenish flowers Escobaria vivipara JRT1111 CO- big stems, red flowers hardy down to -30F, eventually form a colony, slow clumper. Escobaria vivipara rosea DJF1366 AZ -thick spines, pink/rose flowers Gymnocalycium chubutense -Argentina~ dark grey brown thick stem, heavy grey spines Gymnocalycium gibbosum nigrum - nearly black stems, white flowers Mammillaria meiacantha RP89 NM -pink midstipes Mammillaria wrightii -bright puple flowers...best grown in soft sandy soil Opuntia erinacea ursina s. St George -dense white spines Opuntia imbricata - tall with purple flowers Opuntia Opuntia macrocentra SB994 CO NM - bright purple pads Opuntia phaeacantha DJF970 CO - 2ft tall Pediocactus simpsonii SB586 CO UT -dark grey spines Iceplants: Ruschia pulvinaris S Africa shrub iceplant, pink flowers Agaves: Agave montana ~ hardy to -12C Mexico~ Montana might be pushing it in my zone 6/5 Could grow to 5ft wide! Agave neomexicana ~ hardy to -20F, 20"s tall x 30"s wide, Texas, N Mexico Agave toumeyana s. Globe - AZ compact hairy rosettes Agave utahensis DJF1521 AZ -tiny rosettes Agave utahensis kaibabensis AZ -larger rosettes ~ 15"s x 18"s wide. Zone 5! Agave victoriae-reginae ~ grows 12"s x 12"s wide hardy to -10C This is not a complete list since I will be ordering others at a later date! I will be starting all the seeds inside under grow lights and move them on as they grow and develop into an area outdoors once the weather starts to warm by mid-April!