Native plant resources

Xerces Society Pollinator Conservation Resource Center

United States, serving North America. Listed as a reference, not an endorsement.

Overview

The Xerces Society provides regional pollinator conservation resources, planting guidance, and habitat information for gardeners and land managers. This listing is provided for reference, not as an endorsement, certification, ranking, or guarantee of current availability.

Services and programs

  • Pollinator habitat resources
  • Regional guidance
  • Native plant conservation information

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:

  • Regional plant lists
  • Site conditions
  • Current program guidance

Related directory resources

Browse all native plant resources or return to the directory hub.

Sources and last verified

Source: Xerces Society. Last checked 2026-10-04.

The Xerces Society provides pollinator conservation resources, planting guidance, and habitat information for gardeners and land managers.

What this listing covers

The source offers regional and project guidance related to pollinators and habitat. Plant recommendations should be matched to local ecology and site conditions.

Before planting

Check the regional scope of each resource, plant list, and current guidance. Confirm availability with a local seller.

More tools

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Plan

Succession planting

Map repeat sowings so the harvest keeps coming.

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Plan

Fall planting calculator

Count backward from first frost to last sowing dates.

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Plan

Frost date finder

Look up local spring and fall freeze dates by ZIP code.

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Growing zone lookup

Find your USDA Plant Hardiness Zone by ZIP code.

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Garden guides

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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.

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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.

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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.

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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.

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Plant library

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Illustration of nasturtium round leaves and orange flowers

Flower

Nasturtiums

Easy annuals with edible flowers and leaves, thriving in lean soil where others struggle.

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Illustration of petunia trumpet shaped flowers on a trailing vine

Flower

Petunias

Long-blooming annuals for beds, borders, and containers in full sun.

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Illustration of a snapdragon spike with stacked blooms

Flower

Snapdragons

Cool-season spikes for spring and fall color and long-lasting cut flowers.

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Illustration of a dahlia flower with layered petals

Flower

Dahlias

Tuber-grown showstoppers that bloom from midsummer to frost and reward staking.

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Glossary terms

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plant biology

Vernalization

Vernalization is the exposure to cool conditions that enables some plants to flower. Learn why winter temperature can affect bulbs, biennials, and cool-season crops.

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soil

Water-holding capacity

Water-holding capacity is the amount of water soil can store for plant use after excess water has drained away from the root zone.

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pests and diseases

Whitefly

A whitefly is a small sap-feeding insect that gathers beneath leaves, produces honeydew, and may spread plant viruses between plants.

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plant labels

Annual

An annual is a plant that completes its life cycle from seed to flower and seed within one growing season. Learn how annuals differ from perennials and biennials.

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Gardening directories

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Native plant resources

Native Plant Trust regional native plant resources

Native Plant Trust provides New England native plant information, garden resources, and plant sales tied to regional ecology.

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Seed companies

Hudson Valley Seed Company

Hudson Valley Seed Company publishes a seasonal seed catalog with vegetable, herb, flower, wildflower, garlic, and bulb selections.

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Native plant resources

National Wildlife Federation Native Plant Finder

The National Wildlife Federation Native Plant Finder helps users identify native plants that support butterflies, moths, and birds in their area.

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Native plant resources

Pollinator Partnership ecoregional planting guides

Pollinator Partnership provides ecoregional planting guides with native plant lists tailored to specific areas of the United States.

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