These estimates for how long Grandiflora Petunia 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 Grandiflora Petunia to germinate?
11 days
Average 11 days
| Min 6 days
| Max 21 days (5)
Days to Transplant How long until I can plant out Grandiflora Petunia?
+ days
Average days
| Min days
| Max days (0)
Days to Maturity How long until Grandiflora Petunia is ready for harvest / bloom?
+ days
Average days
| Min days
| Max days (0)
Total Growing Days How long does it take to grow Grandiflora Petunia?