Some of the most reliable and easily grown annuals are given in the following lists (under the common trade names).

List of annuals by color of flowers.

White Flowers

Ageratum Mexicanum album.
Alyssum, common sweet; compacta.
Centranthus macrosiphon albus.
China asters.
Convolvulus major.
Dianthus, Double White Margaret.
Iberis amara; coronaria, White Rocket.
Ipomœa hederacea.
Lavatera alba.
Malope grandiflora alba.
Matthiola (Stocks), Cut and Come Again; Dresden Perpetual; Giant Perfection; White Pearl.
Mirabilis longiflora alba.
Nigella.
Phlox, Dwarf Snowball; Leopoldii.
Poppies, Flag of Truce; Shirley; The Mikado.
Zinnia.

Yellow and Orange Flowers

Cacalia lutea.
Calendula officinalis, common; Meteor; sulphurea; suffruticosa.
Calliopsis bicolor marmorata; cardaminefolia; elegans picta.
Cosmidium Burridgeanum.
Erysimum Perofskianum.
Eschscholtzia Californica.
Hibiscus Africanus; Golden Bowl.
Ipomœa coccinea lutea.
Loasa tricolor.
Tagetes, various kinds.
Thunbergia alata Fryeri; aurantiaca.
Tropaeolum, Dwarf, Lady Bird; Tall, Schulzi.
Zinnia.

Blue and Purple Flowers

Ageratum Mexicanum; Mexicanum, Dwarf.
Asperula setosa azurea.
Brachycome iberidifolia.
Browallia Czerniakowski; elata.
Centaurea Cyanus, Victoria Dwarf Compact; Cyanus minor.
China asters of several varieties.
Convolvulus minor; minor unicaulis.
Gilia achilleaefolia; capitata.
Iberis umbellata; umbellata lilacina.
Kaulfussia amelloides; atroviolacea.
Lobelia Erinus; Erinus, Elegant.
Nigella.
Phlox variabilis atropurpurea.
Salvia farinacea.
Specularia.
Verbena, Black-blue; caerulea; Golden-leaved.
Whitlavia gloxinioides.

Red and Rose-red Flowers

Abromia umbellata.
Alonsoa grandiflora.
Cacalia, Scarlet.
Clarkia elegans rosea.
Convolvulus tricolor roseus.
Dianthus, Half Dwarf Early Margaret; Dwarf Perpetual; Chinensis.
Gaillardia picta.
Ipomœa coccinea; volubilis.
Matthiola annuus; Blood-red Ten Weeks; grandiflora, Dwarf.
Papaver (Poppy) cardinale; Mephisto.
Phaseolus multiflorus.
Phlox, Large-flowering Dwarf; Dwarf Fireball; Black Warrior.
Salvia coccinea.
Saponaria.
Tropaeolum, Dwarf, Tom Thumb.
Verbena hybrida, Scarlet Defiance.
Zinnia.