| Help | About | Feedback | Plant Suggestions |
Penstemon 'Dark Towers'
| Date | Action |
| Oct 20 2013 | Netty (13946) added "7a (to 5 F / -15 C)" to Zones / Hardiness |
| Oct 20 2013 | Netty (13946) added "7b (to 10 F / -12 C)" to Zones / Hardiness |
| Oct 20 2013 | Netty (13946) added "8a (to 15 F / -9 C)" to Zones / Hardiness |
| Oct 20 2013 | Netty (13946) added "8b (to 20 F / -7 C)" to Zones / Hardiness |
| Oct 20 2013 | Netty (13946) added "Perennial" to Plant Types |
| Oct 20 2013 | Netty (13946) added "Ornamental" to Plant Types |
| Oct 20 2013 | Netty (13946) added "Penstemon" to Common Names |
