Terms & Conditions

PowerStartsTM Ordering

Center Greenhouse has several speculative blocks of material available throughout the year for your last minute needs.  We will also 'grow to order' any order if advanced timing is feasible. For current and upcoming availability, please (click here)  and online orderling link. To order, contact your favorite broker - click here for a list Participating Brokers'. 

Online Ordering! Available through EPicas. Contact us today for your personalized login information.

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Center Greenhouse, Inc.
1550 East 73rd Ave
Denver, CO. 80229

Telephone: 303-288-1209
Fax: 303-288-4522

Program Dates:

  • June 1st, 2017 – May 31st, 2018
  • Vernalized (Cold Treated) trays available January 12th - March 27th
  • Black Cloth (short day treated) trays available July 7th - September 5th

Tray Sizes

  • 216 tray sold as 210
  • 128 tray sold as 125
  • 105 tray sold as 102 (Ipomoea only)
  • 72 tray sold as 72


Tags are mandatory on all products that are patented, trademarked, or have a royalty on them, unless previous arrangements are made. Tags will automatically ship for all products unless there is a clear request not to ship them on the purchase order. Most varieties have standard sized tags at $.09 each.  Some select varieties have smaller tags at $.06 each.

Pricing and Terms:

Pricing and terms are subject to change at any time. All prices are in U.S. Dollars. Volume discounts are available and are cumulative by season (not by order) and start at just 25trays. 

Propagation Restrictions:

Unauthorized propagation of any patented or trademarked variety is strictly prohibited and illegal.

Order Cancellation Policy:

Any order cancelled within 10 weeks of the confirmed ship date is the financial responsibility of the broker/customer.  Prior approval is required for any canellation made outside of the 10 weeks if the product has already been stuck/sown.  Center Greenhouse reserves the right to assess an administrative fee for excessive cancellations.