Explore
Thematic lists
Explore
Hand-curated slices of the catalogue. Each list is a saved query — open one to see the matching plants, filterable and sortable like any other listing.
§1Hardiness & climate
7 listsSlices keyed to the USDA Plant Hardiness Zone Map (2023). The map shows where each zone lands; the lists join the zone temperature bounds against each plant's minimum survivable temperature.
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National hardiness zone map
Every US county coloured by zone.
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Cold-hardy (zone 4a or colder)
Plants surviving to −30 °F or below.
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Warm-climate (zone 8a and warmer)
Plants needing winter lows no colder than 10 °F.
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Counties by plant diversity
Every county coloured by its taxa count.
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Photo coverage by county
Where iNaturalist photo coverage is thin.
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What should I plant here?
Pick your county. See local natives suited to your zone.
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National soil-texture map
Every county coloured by its surface soil texture.
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§2Seasonal
1 listTime-sensitive slices that rotate with the calendar.
§3Wetland gradient
5 listsUSDA's wetland indicator codes mark a plant's typical hydrology — from obligate wetland species you only find with their feet wet, all the way to obligate uplands that won't tolerate standing water. Useful for restoration, rain-garden design, and reading a site's hydrology.
§4Taxonomic exploration
5 listsBrowse by botanical structure — families for taxonomic depth, growth habit for shape.
§5Ecological role
2 listsSlices keyed to ecological function rather than appearance.
§6Commercial availability
3 listsPlants you can actually buy — what nurseries stock, what propagators contract for.
§7Range and rarity
3 listsCounty-count slices — from single-county endemics to widespread generalists.
§8Bloom time
5 listsWhen the flowers open. Useful for planning succession through the season.
§9Flower color
6 listsRecorded flower color from USDA characteristics.
§10Mature height
5 listsPractical size ranges for garden planning — groundcovers up to canopy trees.
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Groundcovers (< 1 ft)
Plants staying under 1 foot at maturity.
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Low perennials (1–3 ft)
Plants 1 to 3 feet at maturity.
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Shrubs (3–8 ft)
Mid-sized shrubs and tall perennials.
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Small trees (8–25 ft)
Understory and small ornamental trees.
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Canopy trees (25+ ft)
Full-sized trees, 25 feet and up.
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