About

Selecting plants without knowledge of their hardiness zone, bloom period, or light requirements leads to failed gardens and wasted investment. This generator draws from a curated dataset of 120+ verified flower species, each tagged with botanical family, native region, USDA hardiness range, and primary bloom season. Every result includes a procedurally rendered illustration generated via polar-coordinate petal geometry on Canvas - no stock images, no external dependencies. Filters narrow the pool by color family, season, or geographic origin before the random draw executes.

The randomization uses a uniform distribution across the filtered subset, meaning each qualifying species has an equal probability P = 1n where n is the filtered pool size. This tool approximates visual appearance through algorithmic petal forms - actual cultivar variation within a species can be significant. Use results as a research starting point, not a planting prescription. Pro tip: cross-reference the hardiness zone output with your local USDA zone before purchasing.

Formulas

The generator selects a flower uniformly at random from the filtered pool. Given a total dataset of N species and filter constraints that yield a qualifying subset of size n, the selection probability for each flower is:

P(flower_i) = 1n for i ∈ {1, 2, …, n}

where P = probability of selection, n = number of flowers matching all active filters, i = index of each qualifying species. When no filters are active, n = N (full dataset).

Procedural petal geometry uses polar coordinates. Each petal boundary is defined by a radius function:

r(θ) = R ⋅ cos(k ⋅ θ)

where R = maximum petal radius in pixels, θ = angle in radians (0 to 2π), k = petal count parameter. For species with k petals, the rose curve generates k lobes when k is odd, or 2k lobes when even. The renderer adjusts k and layering per species petal count metadata.

Reference Data

Common Name	Botanical Name	Family	Bloom Season	Hardiness Zones	Native Region	Typical Colors
Rose	Rosa spp.	Rosaceae	Spring - Fall	3 - 11	Asia, Europe, N. America	Red, Pink, White, Yellow
Sunflower	Helianthus annuus	Asteraceae	Summer	2 - 11	North America	Yellow, Orange, Red
Lavender	Lavandula angustifolia	Lamiaceae	Summer	5 - 9	Mediterranean	Purple, Blue
Tulip	Tulipa spp.	Liliaceae	Spring	3 - 8	Central Asia	Red, Yellow, Purple, White
Orchid (Moth)	Phalaenopsis spp.	Orchidaceae	Year-round	10 - 12	Southeast Asia	White, Pink, Purple
Daisy	Bellis perennis	Asteraceae	Spring - Summer	4 - 8	Europe	White, Pink
Hibiscus	Hibiscus rosa-sinensis	Malvaceae	Summer - Fall	9 - 12	East Asia	Red, Orange, Pink, Yellow
Lily	Lilium spp.	Liliaceae	Summer	3 - 9	N. Hemisphere	White, Orange, Pink, Yellow
Peony	Paeonia lactiflora	Paeoniaceae	Late Spring	3 - 8	Asia, S. Europe	Pink, White, Red
Marigold	Tagetes spp.	Asteraceae	Summer - Fall	2 - 11	Americas	Orange, Yellow, Red
Jasmine	Jasminum officinale	Oleaceae	Spring - Summer	7 - 10	Himalayas	White, Yellow
Chrysanthemum	Chrysanthemum spp.	Asteraceae	Fall	5 - 9	East Asia	Yellow, White, Red, Purple
Dahlia	Dahlia spp.	Asteraceae	Summer - Fall	8 - 11	Mexico, C. America	Red, Pink, Orange, Purple
Iris	Iris germanica	Iridaceae	Spring	3 - 10	Europe, Asia	Purple, Blue, White, Yellow
Carnation	Dianthus caryophyllus	Caryophyllaceae	Spring - Summer	6 - 9	Mediterranean	Pink, Red, White
Daffodil	Narcissus spp.	Amaryllidaceae	Spring	3 - 9	Europe, N. Africa	Yellow, White
Poppy	Papaver rhoeas	Papaveraceae	Spring - Summer	3 - 9	Eurasia	Red, Orange, White
Bluebell	Hyacinthoides non-scripta	Asparagaceae	Spring	4 - 9	W. Europe	Blue, Purple
Zinnia	Zinnia elegans	Asteraceae	Summer - Fall	2 - 11	Mexico	Red, Pink, Orange, Yellow
Lotus	Nelumbo nucifera	Nelumbonaceae	Summer	4 - 10	Asia, Australia	Pink, White
Wisteria	Wisteria sinensis	Fabaceae	Spring	5 - 9	China	Purple, Blue, White
Magnolia	Magnolia grandiflora	Magnoliaceae	Spring - Summer	7 - 9	SE United States	White, Pink
Forget-Me-Not	Myosotis sylvatica	Boraginaceae	Spring	3 - 8	Europe	Blue
Hydrangea	Hydrangea macrophylla	Hydrangeaceae	Summer	5 - 9	Japan	Blue, Pink, White, Purple
Aster	Aster spp.	Asteraceae	Fall	3 - 8	N. America, Eurasia	Purple, Blue, Pink, White
Foxglove	Digitalis purpurea	Plantaginaceae	Summer	4 - 8	Europe	Purple, Pink, White
Bird of Paradise	Strelitzia reginae	Strelitziaceae	Year-round	10 - 12	South Africa	Orange, Blue
Cosmos	Cosmos bipinnatus	Asteraceae	Summer - Fall	2 - 11	Mexico	Pink, White, Red
Snapdragon	Antirrhinum majus	Plantaginaceae	Spring - Fall	7 - 10	Mediterranean	Red, Pink, Yellow, White
Camellia	Camellia japonica	Theaceae	Winter - Spring	7 - 9	Japan, China	Red, Pink, White

Frequently Asked Questions

Each active filter (color, season, region) intersects with the full dataset to produce a qualifying subset. If you select "Purple" and "Spring", only species tagged with both attributes qualify. The probability per flower becomes P = 1/n where n is the intersection size. If the intersection is empty, the generator notifies you and suggests relaxing a filter.

The zones listed represent the general range for the species as documented by the USDA Plant Hardiness Zone Map and Royal Horticultural Society data. However, specific cultivars within a species may have narrower or wider tolerance. Microclimates, soil pH, and drainage also affect viability. Always cross-reference with a local extension service before committing to landscape purchases.

The illustrations use polar-coordinate rose curves with species-specific petal counts and color palettes. This is a mathematical approximation - real petal morphology involves complex developmental biology (auxin gradients, turgor pressure variation). The renderings capture the color signature and general petal count but not venation, texture, or asymmetry. They serve as visual identifiers, not botanical plates.

Yes. Each generation event is independent - prior results do not influence the next draw. The probability remains 1/n per species on every click. If you want to avoid repeats, enable the "No Repeats" toggle, which removes previously shown species from the pool until all have appeared or you reset.

Bloom seasons reference Northern Hemisphere temperate zones (roughly USDA zones 5 - 8). Tropical species (zones 10 - 12) may bloom year-round in their native habitat but are classified by their peak flowering period. Southern Hemisphere growers should invert the season (Spring becomes Fall). Forced greenhouse cultivation can shift bloom timing by 4 - 8 weeks.

Floral symbolism draws primarily from Victorian-era floriography (the Language of Flowers) and cross-cultural associations documented in horticultural literature. Meanings vary by culture - for example, white chrysanthemums symbolize death in several East Asian traditions but purity in European contexts. The listed symbolism reflects the most widely recognized Western interpretation.