Seed companies

Southern Exposure Seed Exchange

Louisa County, Virginia, serving Mid-Atlantic and Southeast gardeners. Listed as a reference, not an endorsement.

Overview

Southern Exposure Seed Exchange offers vegetable, herb, flower, and selected native plant seeds with regional growing information. This listing is provided for reference, not as an endorsement, certification, ranking, or guarantee of current availability.

Services and programs

  • Heirloom seeds
  • Regional varieties
  • Native plant seeds
  • Online catalog

What to verify before you go

Contact the organization or review its official source before making a trip, placing an order, joining a garden, or applying for funding. Details that commonly change include:

  • Current catalog availability
  • Regional suitability
  • Shipping and order details

Related directory resources

Browse all seed companies or return to the directory hub.

Sources and last verified

Source: Southern Exposure Seed Exchange. Last checked 2026-10-04.

Southern Exposure Seed Exchange offers vegetable, herb, flower, and selected native plant seeds with a focus on varieties suited to Mid-Atlantic and Southeast gardeners.

What this listing covers

The official catalog provides regional variety information, heirloom descriptions, and online ordering. The catalog is a source of company information, not an endorsement of any variety.

Before ordering

Check current availability, regional notes, shipping details, and maturity information for the specific variety.

More tools

Browse all tools

Calculate

Plants per person calculator

Size each crop planting to your household.

Open

Calculate

Yield per square foot estimator

Estimate a harvest range from planted space.

Open

Calculate

Cost per harvest estimator

Compare growing costs with the value of your harvest.

Open

Calculate

Compost mix calculator

Balance greens and browns for a healthy pile.

Open

Garden guides

Browse all guides

Greenhouse growing

Greenhouse temperature guide for seeds and seedlings

Use crop-specific greenhouse temperatures for seed germination, seedlings, frost protection, and ventilation, with practical day and night ranges.

Open
Diagram of a raised bed cross section showing timber walls, a layer of existing soil or coarse fill, and the measured depth of new soil being added.

Materials

How much soil does a raised bed need?

How to measure a raised bed and turn the volume into bags or bulk cubic yards, with a worked example for a common 8 by 4 bed.

Open
October calendar diagram showing planting windows for garlic, spring bulbs, hardy greens, and cover crops closing as the first fall frost approaches.

Seasonal

What can I plant right now in my garden?

In early October, most US gardeners can still plant garlic, spring bulbs, hardy greens, and cover crops. Here is what is still open and what has closed.

Open
Diagram of a tulip bulb in a soil cross section planted at about three times its own height, pointed end up, with a depth marker of 6 to 8 inches.

Fall planting

When should I plant tulip bulbs?

Plant tulip bulbs in fall, about 6 to 8 weeks before the ground freezes. Here is how the window shifts by region and how deep to plant.

Open

Plant library

Browse all plants
Illustration of a peanut plant with leafy growth above and pods below the soil line

Vegetable

Peanut

Peanut planting, hilling, and harvest guidance for home gardens, including why the yellow flowers dive underground to make pods.

Open
Illustration of a sesame stalk lined with upright seed capsules

Vegetable

Sesame

Sesame planting, watering, and harvest guidance for home gardens, including how to beat the pods' habit of splitting open.

Open
Illustration of a yuca plant with a cane stem topped by hand-shaped leaves

Vegetable

Yuca

Yuca (cassava) planting, cutting, and harvest guidance for warm home gardens, including the cooking step that makes the roots safe.

Open
Illustration of a basil stem with paired oval leaves

Herb

Basil

A simple basil guide covering warmth, pinching, watering, and repeated harvests.

Open

Glossary terms

Browse all glossary terms

plant labels

Heirloom

Heirloom describes a plant variety preserved and passed through growers over time. It is not a universal legal definition or performance guarantee.

Open

plant labels

Hybrid

A hybrid is offspring from parents with different genetic backgrounds, often bred for traits such as vigor, uniformity, flavor, or disease resistance.

Open

plant labels

Indeterminate

Indeterminate tomatoes keep extending stems and producing flower clusters while conditions remain favorable. Learn how this growth habit changes support and pruning.

Open

pests and diseases

Integrated pest management

Integrated pest management, or IPM, is a decision process that combines monitoring, prevention, identification, and targeted controls to manage pests.

Open

Gardening directories

Browse all directories

Community gardens

Boston community garden and urban farm directory

The City of Boston maintains a directory of community gardens and urban farms organized by neighborhood.

Open

Community gardens

NYC Parks GreenThumb

NYC Parks GreenThumb supports a large network of community gardens and provides a map for finding gardens and volunteer groups.

Open

Community gardens

District of Columbia DPR community gardens

The District of Columbia Department of Parks and Recreation publishes community garden locations and contact guidance for residents seeking plots or volunteer opportunities.

Open

Native plant resources

Florida Native Plant Society database

The Florida Native Plant Society database supports searches by plant name, growing conditions, and Florida county.

Open