about seeds potatoes supplies trees bulbs

Fedco Seeds Potatoes, Onions and Exotics Organic Growers Supply Fedco Trees Fedco Bulbs

Enter your email to log in:

save your cart for later
access your cart on other devices
see your past discounts, bulk pricing, etc.

and your ZIP Code (for calculating shipping): Problems with signing in?

We use your email to save the items in your cart, and occasionally send notifications about your cart contents. We will never sell your email address.

Switch Divisions

Fedco Seeds Potatoes, Onions and Exotics Organic Growers Supply Fedco Trees Fedco Bulbs

Organic Growers Supply

New!

New web-only items

Trees catalog items Seeds catalog items OGS catalog items

All new items

Trees catalog items Seeds catalog items OGS catalog items POE catalog items

Old favorites,
newly re-available

Trees catalog items Seeds catalog items POE catalog items

Farm Seed

Alfalfa Barley Bell Beans Buckwheat Camelina Chicory Clover Fescue Millet Mixes Mustard Oats Orchard Grass Peas Radish Rye Ryegrass Sudangrass Sunn Hemp Timothy Triticale Vetch Wheat

Other

Cover Crops Food Crops Forage Crops Hay Crops Inoculants and Probiotics Legume Cover Crops Pasture Pollinator-friendly

Amendments

Animal-based Calcium Sources Fedco’s Fertilizer Mixes Foliar Feeds Foliar Sprays Lime Minerals Other Amendments Plant-based Seaweeds

Compost and Potting Soil

Compost Other Planting Mediums Potting Soil

Other

Custom Mixing Seed Treatments Soil Tests

Tools

Garden Tools

Dibbler Knives Planting Auger Seeder/Spreader Sieve Smart Cart Trowels Weeding Tools

Orchard Tools

Felco Tools Grafting Harvest Limb Spreaders Loppers Pole Pruners Pruners Pruning Saws Sharpening and Tool Care Silky Saws Tree Guards Tree Staking Trimming

Other

Maple Sugaring Thermometer

Pest Control

Plant Protection and Pest Control

Fungicides Insecticides Orchard and Garden Health Orchard Pests Orchard Spray Kit Sprayers Sticker-Spreaders

Other

Books Cannabis Growing Clothing and Accessories Indigenous Royalties Livestock Supplies Orchard Supplies

Seed Starting

Children’s Grow Kit Domes Fedco Kits Grow Lights Heat Mats Plug Flats Pots and Six-Packs Silicone Six-Packs Soil Blockers Trays

Supplies

Agri-gel Bags Baskets Boxes Bucket Grip Drying Rack Fabric Pots Fencing and Netting Fermentation Kit Floating Row Covers Harvest and Storage Irrigation Microscope Mulches Plant Tags Staples Twine, Ties, and Clips

Ordering

Ordering from Fedco Quick Order Form Group Ordering Shipping Details Depot Shipping Program Download a catalog or order form Directions to our Warehouse

Bulk pricing on large orders:

Orders with subtotals $1,200 and above receive bulk pricing. Bulk prices will automatically be applied.

If you have placed orders totaling at least $1,200 at Fedco within the past 12 months, additional orders qualify for bulk pricing.

Items shipping from our growing supplies warehouse take 2-4 business days to process. We ship orders every business day.

Resources

Charts and Tools

Soil Amendments Guide Pesticide & Pollinator Safety Guide Farm Seed at a Glance Solution Solutions: Fertigation and Foliar Spray Guide

Managing Soil, Pests, Diseases

Microbes Mineral Availability Calcium and pH Fungal Diseases Organic Orchard Spray Program Orchard Care Journal

Information for growers

Supplier and Catalog Codes Cheat Sheet for Beginning Gardeners Breaking Ground: Preparing your land for plants Getting Started with Drip Irrigation Farm Seed Uses Organic Certification

Essays

Roundup Ready Weeds Animal Care Resources

Bulk pricing on large orders:

Orders with subtotals $1,200 and above receive bulk pricing. Bulk prices will automatically be applied.

If you have placed orders totaling at least $1,200 at Fedco within the past 12 months, additional orders qualify for bulk pricing.

Our web site works best with JavaScript. It looks like your browser doesn't support it or it is turned off, so you might find that some things don't work correctly. In particular, online ordering will not work. We're sorry for any inconvenience.

Organic Growers Supply
Calcium Sources

You are viewing all Organic Growers Supply products related to “Calcium Sources.”

Filter…

ships year-round

Pro Pelleted Limestone, Dolomitic Limestone Pro-Select Prill

pH and Calcium

The least expensive liming agent. Use to sweeten soil (raise pH) and provide calcium where excess magnesium is not a problem. read more

Loading...

Worker- and consumer-owned cooperative offering seeds, trees, tubers, and supplies since 1978

About Us

About Fedco
Become a Member
Talks, Conferences and Events
Buy Gift Certificates
Job Opportunities
Privacy Policy
Donation Requests

Visit Us

Come visit our Retail Store. It's open year-round!
Directions to our store

Customer Support

questions@fedcoseeds.com
Phone Hours:
Monday–Friday from 9AM–5PM EST
(207) 426-9900 (no phone orders)
Frequently Asked Questions
Returns and Guarantee

Stay Connected

Catalog Requests
Contact Us