6. When can I schedule my seasonal container?

You can program anytime within the delivery windows from Monday through Friday. 
Delivery Windows 
1. Spring/Summer  
Faux Floral/Succulent Arrangements
Starting from late April through the first week of June 
  For Spring/Summer real flowers container designs Mid May to the first week of June. 
2. Fall
Starting September though the second week of October 
3. Winter/Holiday  
November 11/27 though 12/14