Where to buy Castle Drive
Farms we have confirmed listing Castle Drive for the 2025-26 season, last checked 2026-07-20. Sought-after varieties sell out fast; a listing is not a stock guarantee.
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Idlewild Blooms
Sales open: Presale opened February 7 in the most recent season; tubers ship March to May (2025-26)
Single tubers with ADS classification data published on every listing
Ships to US; tubers ship March through May
Heirloom Soul Florals
Sales open: The 2026 tuber sale has closed; the shop reopens Spring 2027 (2026-27)
Individual tubers, bulk five-packs, and dahlia tuber gift boxes
Ships to All 50 US states