| Hosta | Sea Sapphire |
| Status | registered |
| Originator(s) | Mildred Seaver/AHS/Walek 2009 |
| Origin | unknown |
| Size category | medium - large |
| Plant height x width | |
| Leaf length x width | 25x22 cm (10x9 in.) |
| Vein pairs | 16 |
| Leaf color | blue-green |
| Variegation | |
| Leaf | cupped, very corrugated |
| Petiole | |
| Scape | |
| Scape height | |
| Flower | near white |
| Flower length | |
| Fragrant | |
| Flowering period | June - July |
| Fertile | |
| Pod | |
| Ploidy | |
| Patents | |
| Info | 20" tall. Light Shade. A very smooth textured, light sapphire blue, medium sized leaf. Considered the best blue from the Seaver series, this new 40" wide clump has round blue green foliage, topped with near white flowers in late spring... an imposing clump in the garden. Deep blue foliage with near white flowers; best blue of the "Sea" series. Forms a large mound of rounded, smooth blue leaves with near-white flowers. Considered by many to be Mildred Seaver's best blue hosta. Deep blue-green, heavily corrugated leaves. A bit slower growth habit. Good foliage color and excellent slug resistance. Light lavender flowers from late June to July. Wonderfully deep blue, rounded leaves. Considered to be the bluest of all the Seaver introductions. Near-white flowers. Medium, wide blue-green heavily corrugated leaves. Thick substance, near whiie flowers in June and July. |
| Sports | 'Fred Wilson' sport/gy |
| Progeny | |