| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Amakazari' | Medium | Dark-Green | | - | Unknown | - | - | Nakayama, Toyozo | --NR-- |
| 'Kokuryu' | Medium | Med-Green | | - | Unknown | Near-White | October | Nakayama, Toyozo, Kurasawa, Tsuneo & Ruh, Peter | .2000 |
| 'Mito-no-hana' | Large | Med-Green | | - | Unknown | Light-Purple | August | Nakayama, Toyozo | --NR-- |
| 'Mito-no-yuki' | - | - | | - | Unknown | - | - | Nakayama, Toyozo | --NR-- |
| 'Toyo-no-omoide' | Large | Med-Green | | - | Hybrid | Near-White | July | Nakayama, Toyozo & Lockwood, Mikky | .2018 |
| 'Yaburitsugi' | Medium | Dark-Green | | - | Unknown | - | - | Nakayama, Toyozo & Lydell, Ransom & Walek, Kevin | .2009 |
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