Costs & Materials Calculator for determining the required resources necessary for building a 12'-wide moveable caterpillar high tunnel. Download and save file (.xls) to your system.
Construction Costs & Materials Calculator for planning and building a 14-foot-wide, Moveable Modular Cathedral High Tunnel using QuickHoops bender and galvanized electrical conduit.
Use this spreadsheet calculator to determine when to time the planting of your crops in order to harvest in the fall. The formulae in this calculator help you count backward from your first frost date to determine the date to start seeds for crops that will mature as the days grow shorter and temperatures decline.
Use our Seeding Date Calculator to determine seeding dates for all your vegetable, herb, and flower varieties, when you want to plan to harvest your crops on specific target dates.
Costs and Materials Calculator for building a Microgreens / Seedling Bench for Quick Hoops and other types of high tunnels and hoophouses, from the Tools Research, Design, and Development Team at Johnny's Selected Seeds.
Costs & Materials Calculator (spreadsheet) for 12-foot-wide Stationary Caterpillar High Tunnel. Download and save to your device, then fill in the items in red. The calculator will complete the calculation to provide an estimated cost per square foot and total cost.
Construction Costs & Materials Calculator for planning to build a Stationary Traditional Gothic/Cathedral High Tunnel – Width=14' using a QuickHoops bender and galvanized electrical conduit.
Construction Costs & Materials Calculator for 12-foot-wide, Traditional Stationary High Tunnel, including parts needed to make the tunnel using a QuickHoops bender and galvanized electrical conduit.
This interactive spreadsheet displays a matrix of FARM SEED/COVER CROP types, including 32 specific varieties of green manures, grains, legumes, and forage crops, with seed characteristics and Jang JP roller gauge size by millimeters, indicating the best Jang rollers for the particular variety, the roller part numbers, and whether or not the roller when placed on the Jang JP Seeder provides for seed singulation, plus a Notes/Comments field. Click on any Johnny's roller part # or specific farm seed variety part # in this chart to view or purchase. Save the file to your desktop to filter, sort, make your own edits, and keep more detailed records of which farm seed/cover crop sowing practices work best for you.
This interactive spreadsheet displays a matrix of 70 specific varieties of CUT-FLOWER crops, their seed characteristics, and Jang JP roller gauge size by millimeters, indicating the best Jang rollers for the particular variety, the roller part numbers, and whether or not the roller when placed on the Jang JP Seeder provides for seed singulation, with a Notes/Comments field. Click on any Johnny's roller part # or specific flower variety part # in this chart to view or purchase. Save the file to your desktop to make your own edits and keep more detailed records of which flower seeding practices work best for you. (See separate sheet for Sunflower variety results.)
This interactive spreadsheet displays a matrix of 44 specific varieties of 21 HERB crops, showing seed characteristics and Jang JP roller gauge size by millimeters, indicating the best Jang rollers for the particular variety, the roller part numbers, and whether or not the roller when placed on the Jang JP Seeder provides for seed singulation, with a Notes/Comments field. Click on any Johnny's roller part # or specific herb variety part # in this chart to view or purchase. Save the file to your desktop to sort, filter, make your own edits, and keep more detailed records of which herb seeding practices work best for you.
A spreadsheet displaying a matrix 48 varieties of sunflowers, indicating best Jang JP rollers for sowing, part numbers, and seeding notes on singulation.