These estimates for how long Cardwell's penstemon takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Days to Germination How long does it take Cardwell's penstemon to germinate?
days
Average days
| Min days
| Max days (0)
Days to Transplant How long until I can plant out Cardwell's penstemon?
+ days
Average days
| Min days
| Max days (0)
Days to Maturity How long until Cardwell's penstemon is ready for harvest / bloom?
+ days
Average days
| Min days
| Max days (0)
Total Growing Days How long does it take to grow Cardwell's penstemon?