Cooperative extension offices

UF and IFAS Horticultural Sciences Extension

Gainesville, Florida, serving Florida. Listed as a reference, not an endorsement.

Overview

UF and IFAS Horticultural Sciences Extension publishes Florida-specific horticulture education and grower resources through a statewide extension network. This listing is provided for reference, not as an endorsement, certification, ranking, or guarantee of current availability.

Services and programs

  • Horticulture education
  • Grower information
  • Florida-specific research resources

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:

  • County extension contacts
  • Current workshops and programs

Related directory resources

Browse all extension offices or return to the directory hub.

Sources and last verified

Source: University of Florida IFAS Extension. Last checked 2026-10-04.

UF and IFAS Horticultural Sciences Extension provides Florida-specific horticulture education through university faculty and county extension contacts.

What this listing covers

The source includes resources for home gardening, nurseries, greenhouse and hydroponic production, and fruit and vegetable growers. Guidance is connected to Florida conditions and research.

Before contacting an office

Confirm the county contact and whether a workshop, diagnostic service, or specialist response is available for your question.

More tools

Browse all tools

Calculate

Raised bed calculator

Get a lumber cut list and soil volume for a bed.

Open

Calculate

Square foot garden planner

Lay out a bed in 1 foot squares and count the plants.

Open

Choose

Companion planting

Compare plants for practical compatibility.

Open

Choose

Seed swap matcher

Find reciprocal swaps between two local seed lists.

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 squash vine with lobed leaves and a pear shaped butternut fruit

Vegetable

Butternut squash

A long warm-season vine whose hard-skinned fruit cures for months of winter storage.

Open
Illustration of a round cabbage head wrapped in outer leaves

Vegetable

Cabbage

A cool-season brassica grown for dense heads that keep well in storage.

Open
Illustration of a pale cauliflower head made of tight florets

Vegetable

Cauliflower

The fussiest common brassica, rewarding steady cool growth with tight white curds.

Open
Illustration of a bundle of pale green celery stalks

Vegetable

Celery

A long, thirsty cool-season crop that needs an early indoor start and constant moisture.

Open

Glossary terms

Browse all glossary terms

soil

Drainage

Drainage is the movement of excess water through or away from soil. Good drainage keeps roots supplied with water without leaving the root zone saturated.

Open

timing

First frost date

A first frost date estimates when a location may experience its first autumn freeze. Use it to plan harvest and protection, not as a guarantee.

Open

timing

Frost tolerant

Frost tolerant describes a plant that can survive or continue growing through some freezing conditions, although tolerance varies by species, stage, and duration.

Open

seeds

Germination

Germination is the process in which a viable seed resumes growth and produces a root and shoot. Learn what seeds need and how to improve emergence.

Open

Gardening directories

Browse all directories

Cooperative extension offices

Purdue Horticulture and Landscape Architecture Extension

Purdue Extension provides horticulture education and resources for Indiana gardeners, growers, and green industry organizations.

Open

Cooperative extension offices

Rutgers Cooperative Extension Home, Lawn and Garden

Rutgers Cooperative Extension publishes home, lawn, and garden information for New Jersey residents through university extension resources.

Open

Nurseries and garden centers

Prairie Moon Nursery

Prairie Moon Nursery offers native seeds and plants for gardening and restoration, with a catalog organized around North American species.

Open

Nurseries and garden centers

Hoffman Nursery

Hoffman Nursery publishes a catalog focused on grasses, sedges, perennials, and native plants for landscape use.

Open