Flower Seeds

Flower Seeds

Growing your own flower garden from seed can be fun and rewarding,

and it is not that difficult. The Online Greenhouse is here to make it easy! Start your flower seeds with only the finest USA made seed starting supplies.

It is challenging to know what gardening supplies will yield the best results for your flowering. You can feel confident in choosing from the wide variety of organic and sustainable gardening supplies from The Online Greenhouse whether its our wide variety of CowPots, organic potting soils and compost or the extensive collection of vegetable seeds, herb seeds, flower seeds and our heirloom vegetable and heirloom flower seeds.

A large selection means you can find exactly what you need, greenhouse supplies for a professional grower, or garden supplies for the home gardener, we specialize in seed starting!
  1. Step 1: Fill CowPots biodegradable planting containers with the appropriate Vermont Compost Company potting soil. Choose the size pot and potting mix based on how long you anticipate the plant will be living in the container. Growing flowers in your house year round can be done in the larger 5 inch and 6 inch CowPots and using the Compost Plus potting mix.
    Hart Flower Seeds
  2. Step 2: Plant Hart Seed flower seeds according to instructions on the seed packet.
  3. Step 3: Water and Fertilize as needed.
  4. Step 4: When the weather conditions are appropriate for planting your flower garden, plant the CowPot with the plant into the ground following the guidelines for spacing.
Now you can place your flowers where you want to in the landscape! A great garden starts with only the best flower seeds, Plant Hart Seeds

$2 flat shipping on all seed only orders!


Alyssum Carpet of Snow
$1.99
FS-2002
Net Weight: 
Alyssum Royal Carpet
$1.99
FS-2003
Net Weight: 
Aster Crego
$1.99
FS-2005
Net Weight: 
Aster Montezuma Mix
$1.99
FS-2113
Net Weight: 
Bachelor Button Mix
$1.99
FS-2007
Net Weight: 
Bachelor Button Blue
$1.99
FS-2106
Net Weight: 
Bells of Ireland
$1.99
FS-2010
Net Weight: 
Black Eyed Susan
$1.99
FS-2011
Net Weight: 
Flax Blue Lewisii
$1.99
FS-2012
Net Weight: 
Calendula Pacific Beauty
$1.99
FS-2013
Net Weight: 
Poppy California Mixed
$1.99
FS-2014
Net Weight: 
Candytuft Dwarf Fairy
$1.99
FS-2015
Net Weight: 
Chinese Lantern
$1.99
FS-2020
Net Weight: 
Daisy Ox-Eye
$1.99
FS-2021
Net Weight: 
Cleome Mixed Colors (Spider Flower)
$1.99
FS-2022
Net Weight: 
Columbine McKana's
$1.99
FS-2023
Net Weight: 
This item is currently out of stock!
Coreopsis Lanceolata
$1.99
FS-2024
Net Weight: 
Cosmos Bright Lights
$1.99
FS-2025
Net Weight: 
Cosmos Sea Shells
$1.99
FS-2026
Net Weight: 
Cosmos Sensation
$1.99
FS-2027
Net Weight: 
Dahlia Dwarf Unwins
$1.99
FS-2028
Net Weight: 
Delphinium Connecticut Yankees
$1.99
FS-2029
Net Weight: 
This item is currently out of stock!
Daisy English Lawn
$1.99
FS-2030
Net Weight: 
Forget Me Not
$1.99
FS-2103
Net Weight: 
Four O'Clock
$1.99
FS-2032
Net Weight: 
This item is currently out of stock!
Foxglove Digitalis
$1.99
FS-2033
Net Weight: 
Gaillardia Grandiflora
$1.99
FS-2034
Net Weight: 
Daisy Gloriosa Single Mix
$1.99
FS-2035
Net Weight: 
Godetia - Farewell to Spring
$1.99
FS-2104
Net Weight: 
Baby's Breath
$1.99
FS-2036
Net Weight: 
Hollyhock Chater's
$1.99
FS-2037
Net Weight: 
Hollyhock Indian Spring
$1.99
FS-2038
Net Weight: 
Larkspur Mixed
$1.99
FS-2039
Net Weight: 
Lobelia Crystal Palace
$1.99
FS-2040
Net Weight: 
Love in a Mist (Nigella)
$1.99
FS-2107
Net Weight: 
Lunaria Money Plant
$1.99
FS-2041
Net Weight: 
This item is currently out of stock!
Lupine Hartwegii
$1.99
FS-2042
Net Weight: 
Lupine Perennial
$1.99
FS-2043
Net Weight: 
Marigold Brocade
$1.99
FS-2044
Net Weight: 
Marigold Crackerjack
$1.99
FS-2045
Net Weight: 
Marigold Mary Helen
$1.99
FS-2046
Net Weight: 
Marigold Gem Mix
$1.99
FS-2111
Net Weight: 
Marigold Petite Mixed
$1.99
FS-2047
Net Weight: 
Marigold Petite Yellow
$1.99
FS-2048
Net Weight: 
Moonflower Evening Glory
$1.99
FS-2049
Net Weight: 
Morning Glory Pecotee Blue
$1.99
FS-2108
Net Weight: 
Morning Glory Shadow Dance
$1.99
FS-2109
Net Weight: 
Morning Glory Giant Mixed
$1.99
FS-2052
Net Weight: 
Morning Glory Heavenly Blue
$1.99
FS-2053
Net Weight: 
Morning Glory Flying Saucers
$1.99
FS-2051
Net Weight: 
Morning Glory Crimson Rambler
$1.99
FS-2050
Net Weight: 
Nasturtium Alaska
$1.99
FS-2054
Net Weight: 
Nasturtium Glorious Gleam
$1.99
FS-2055
Net Weight: 
Nicotiana Sensation
$1.99
FS-2057
Net Weight: 
Pansy Swiss Giant
$1.99
FS-2058
Net Weight: 
Phlox Drummondi
$1.99
FS-2060
Net Weight: 
Pinks Double Gaiety
$1.99
FS-2061
Net Weight: 
This item is currently out of stock!
Poppy Shirley Double
$1.99
FS-2064
Net Weight: 
Poppy Oriental Scarlet
$1.99
FS-2063
Net Weight: 
Poppy Iceland
$1.99
FS-2062
Net Weight: 
Portulaca Double
$1.99
FS-2065
Net Weight: 
Coneflower Cheyenne Mix
$1.99
FS-2114
Net Weight: 
This item is currently out of stock!
Coneflower Purple
$1.99
FS-2066
Net Weight: 
Salpiglossis Stained Glass Flower
$1.99
FS-2110
Net Weight: 
Salvia Blue Bedder
$1.99
FS-2068
Net Weight: 
Salvia St John's Fire
$1.99
FS-2069
Net Weight: 
Scabiosa Imperial Mix
$1.99
FS-2070
Net Weight: 
Flax Scarlet
$1.99
FS-2071
Net Weight: 
Snapdragon Magic Carpet
$1.99
FS-2073
Net Weight: 
Stock Dwarf 10 Weeks
$1.99
FS-2075
Net Weight: 
Sunflower Mammoth
$1.99
FS-2081
Net Weight: 
Sunflower Sunspot
$1.99
FS-2085
Net Weight: 
Organic Sunflower Lemon Queen
$1.99
FS-2080
Net Weight: 
Sunflower Italian White
$1.99
FS-2079
Net Weight: 
Sunflower Velvet Queen
$1.99
FS-2086
Net Weight: 
This item is currently out of stock!
Sunflower Red Sun
$1.99
FS-2083
Net Weight: 
Sunflower Hart's Special Mix
$1.99
FS-2078
Net Weight: 
Sunflower Evening Sun
$1.99
FS-2077
Net Weight: 
Sunflower Sun Gold
$1.99
FS-2084
Net Weight: 
Tithonia Torch Mexican Sunflower
$1.99
FS-2082
Net Weight: 
Sweet Peas Royal Mixed
$1.99
FS-2088
Net Weight: 
Sweet Peas Knee-Hi Mix
$1.99
FS-2087
Net Weight: 
Sweet William
$1.99
FS-2089
Net Weight: 
This item is currently out of stock!
Viola Cornuta
$1.99
FS-2090
Net Weight: 
This item is currently out of stock!
Wildflower Hart's Mix
$1.99
FS-2091
Net Weight: 
Zinnia Button Box
$1.99
FS-2092
Net Weight: 
Zinnia Cactus Flowered
$1.99
FS-2093
Net Weight: 
Zinnia California Giant Mix
$1.99
FS-2094
Net Weight: 
Zinnia California Pink
$1.99
FS-2095
Net Weight: 
Zinnia California White
$1.99
FS-2097
Net Weight: 
Zinnia Lilliput
$1.99
FS-2099
Net Weight: 
Zinnia State Fair
$1.99
FS-2100
Net Weight: 
Zinnia Cut & Come
$1.99
FS-2098
Net Weight: 
Zinnia California Scarlet
$1.99
FS-2096
Net Weight: 
Zinnia Profusion Mix
$1.99
FS-2112
This item is currently out of stock!
Beneficials-Bee My Friend (Bee Flower Mix)
$1.99
FS-2119
Fiddlehead Flower (Bee's Friend)
$1.99
FS-2118
Beneficials-Please Don't Flutter By (Butterfly Flowers)
$1.99
FS-2120
Black Eyed Susan Vine
$1.99
FS-2117
Blue Pimpernel
$1.99
FS-2115
Tithonia Yellow Mexican Sunflower
$1.99
FS-2116
Organic Nasturtium Sunset Shades
$1.99
FS-2121