| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Pacific Blue Edger' | Medium | Blue/Green | - | - | Sport | Light-Purple | July | Heims, Dan & Walek, Kevin & The American Hosta Society | .2009 |
|
2
| 'PAL's First Blue' | Medium | Blue/Green | Marginal | White | Unknown | Pale-Lavender | August to September | Lehtola, Paula | .2008 |
|
3
| 'Papa Blue' | Large | Light-Green | Marginal | Blue-Green | Unknown | - | - | Unknown | --NR-- |
|
4
| 'Paradise Blue Sky' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Fransen, Marco | --NR-- |
|
5
| 'Parky's Blue Beauty' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
6
| 'Passion For Blue' | - | Blue/Green | - | - | Unknown | - | - | Ziarek, Ken | --NR-- |
|
7
| 'Paul's Blue Wonder' | Giant | Blue/Green | | | Hybrid | Pale-Lavender | June into July | Kwick, Charles | .2021 |
|
8
| 'Pelham Blue Tump' | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Kitchingman, Richard | .1986 |
|
9
| 'Penny MacBlue' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | June | Unknown | --NR-- |
|
10
| 'Perry's True Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June | Grullemans, John J. & Hofer, Paul & Hofer, Linda & Ruh, Peter | .1981 |
|
11
| 'Picasso's Blue Period' | Large | Blue/Green | | | Nat-Sport | Near-White | July into August | Wols, Don | --NR-- |
|
12
| 'Piccadilly Blue' | | Blue/Green | | | Unknown | | | Unknown | --NR-- |
|
13
| 'Plebe's Blues' | Medium | Blue/Green | Streaked | Yellow | Sport | Med-Lavender | July | McBurney, Jim & McBurney, Lois & Donsky, George | .2004 |
|
14
| 'Powder Blue' | Giant | Blue/Green | - | - | Unknown | Pale-Lavender | June | Sugita, Hajime & Ruh, Peter | .1998 |
|
15
| 'Project Blue Book' | | | Streaked | | Unknown | | | Koza, Carole | --NR-- |
|