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Flower & Cover Crop Growing Guides

SoilStack has 100 flowers & cover crops growing guides. Companion flowers, edible blossoms, and cover crops that improve your garden ecosystem. Marigolds, nasturtiums, buckwheat, crimson clover — each guide explains the pest-deterrent or soil-building benefit backed by research.

Updated April 19, 2026 · 100 varieties

Companion Flowers & Cover Crops

98 varieties
African Flake Daisy Flowers
90–100d 8h+ sun Container OK
Alaska Mix Nasturtium Flowers
50–60d 6h+ sun Container OK
Alfalfa Cover Crop
60–70d 8h+ sun
All Sorts Surprise Mix Sunflowers
70–100d 8h+ sun Container (limited)
Anise hyssop leaves and flowers
Anise hyssop leaves and flowers
75–90d 6h+ sun Container OK
Arroyo Lupine Flowers
85–105d 6h+ sun Container (limited)
Baby Blue Eyes Flowers
60–90d 4h+ sun Container OK
Baby's Breath Flowers
120–150d 8h+ sun Container (limited)
Bachelor's button edible flowers
Bachelor's button edible flowers
60–80d 6h+ sun Container OK
Bee Balm
Bee Balm
6h+ sun Container OK
Black-Eyed Susan
Black-Eyed Susan
6h+ sun Container OK
Blazing Star Flowers
365–500d 8h+ sun Container (limited)
Blue Flax Flowers
90–120d 8h+ sun Container (limited)
Borage
Borage
55–75d 6h+ sun Container OK
Buckwheat
Buckwheat
30–45d 6h+ sun
Calendula
Calendula
50–60d 6h+ sun Container OK
California Giant Mix Zinnia Flowers
60–70d 8h+ sun Container OK
Canary Bird Zinnia Flowers
60–70d 8h+ sun Container OK
Cherry Queen Zinnia Flowers
60–70d 8h+ sun Container OK
Chinese Forget-Me-Not Flowers
65–85d 6h+ sun Container OK
Chocolate Cherry Sunflowers
75–90d 8h+ sun Container (limited)
Common Milkweed Flowers
365–550d 6h+ sun
Cosmos
Cosmos
70–90d 6h+ sun Container OK
Cosmos Sensations Mix Flowers
70–75d 8h+ sun Container (limited)
Crackerjack Mix Marigolds
60–75d 8h+ sun Container (limited)
Crego Mix Aster Flowers
80–90d 6h+ sun Container (limited)
Crimson Clover
Crimson Clover
60–90d 6h+ sun
Dwarf Jewel Mix Nasturtium Flowers
50–60d 6h+ sun Container OK
Echinacea
Echinacea
6h+ sun Container OK
Empress of India Nasturtium Flowers
50–60d 6h+ sun Container OK
English Lavender
English Lavender
6h+ sun Container OK
English White Daisy Flowers
120–150d 4h+ sun Container OK
Evening Sun Sunflowers
80–90d 8h+ sun Container (limited)
Fairy Dwarf Mix Candytuft Flowers
45–60d 6h+ sun Container OK
Foxglove Flowers
365–430d 4h+ sun Container (limited)
French Marigold
French Marigold
50–60d 6h+ sun Container OK
Gaillardia Annual Mix Flowers
70–90d 8h+ sun Container OK
Giant Imperial Mix Larkspur Flowers
100–120d 6h+ sun Container (limited)
Giant Maximum Mix Snapdragon Flowers
80–95d 6h+ sun Container (limited)
Globe Gilia Flowers
60–80d 8h+ sun Container (limited)
Glorious Gleam Nasturtium Flowers
55–70d 6h+ sun Container OK
Hairy vetch cover crop stands
Hairy vetch cover crop stands
60–90d 6h+ sun
Hard Red Wheat Cover Crop
75–95d 6h+ sun Container (limited)
Indian Spring Mix Hollyhock Flowers
120–180d 6h+ sun
King's Cure-All Evening Primrose Flowers
365–430d 6h+ sun Container (limited)
Lacy Phacelia Flowers
55–75d 8h+ sun Container (limited)
Lanceleaf Coreopsis Flowers
365–430d 8h+ sun Container (limited)
Love-in-a-Mist Flowers
65–85d 6h+ sun Container OK
Luminosa Zinnia Flowers
60–70d 8h+ sun Container OK
Lunaria Silver Dollar Flowers
365–430d 4h+ sun Container (limited)
Mammoth Sunflower
Mammoth Sunflower
65–80d 6h+ sun
Maximillian Sunflowers
90–100d 8h+ sun
McKana Giants Mix Columbine Flowers
365–500d 4h+ sun Container (limited)
Medium Red Clover Cover Crop
60–75d 6h+ sun Container (limited)
Nasturtium
Nasturtium
50–65d 6h+ sun Container OK
New England Aster Flowers
365–520d 6h+ sun
New Sunn Hemp Cover Crop
60–90d 8h+ sun
Nodding Catchfly Flowers
60–90d 6h+ sun Container OK
Orange King Zinnia Flowers
60–70d 8h+ sun Container (limited)
Orange Sulphur Cosmos Flowers
55–70d 8h+ sun Container OK
Ox-Eye Daisy Flowers
365–500d 6h+ sun Container (limited)
Peach Melba Nasturtium Flowers
50–60d 6h+ sun Container OK
Phacelia California Bluebell/Desert Bluebell Flowers
55–65d 6h+ sun Container OK
Phacelia cover crop and bee forage
Phacelia cover crop and bee forage
45–60d 6h+ sun
Pixie Delight Lupine Flowers
90–110d 6h+ sun Container (limited)
Polar Bear Zinnia Flowers
60–70d 8h+ sun Container (limited)
Powderpuff Aster Flowers
75–85d 6h+ sun Container (limited)
Queen Anne's Lace Flowers
85–100d 6h+ sun Container (limited)
Rapeseed Cover Crop
45–70d 6h+ sun
Red Prairie Mexican Hat Flowers
90–120d 6h+ sun Container (limited)
Royal Carpet Alyssum Flowers
45–60d 6h+ sun Container OK
Russell Mix Lupine Flowers
365–500d 6h+ sun Container (limited)
Scarlet Flax Flowers
55–70d 8h+ sun Container (limited)
Scarlet Sage Flowers
65–85d 6h+ sun Container OK
Shasta Daisy Flowers
120–365d 6h+ sun Container (limited)
Showy Pink Ladies Evening Primrose Flowers
365–450d 6h+ sun Container (limited)
Signet marigold edible flowers
Signet marigold edible flowers
60–65d 6h+ sun Container OK
Single Mix China Aster Flowers
70–80d 6h+ sun Container (limited)
Smooth Blue Aster Flowers
365–500d 6h+ sun
Sparky Mix Marigolds
55–70d 8h+ sun Container OK
Summer Carnival Mix Hollyhock Flowers
120–180d 6h+ sun
Summer Max Mix Cover Crop
45–60d 8h+ sun
Sun Gold Sunflowers
80–95d 8h+ sun Container (limited)
Sunspot Sunflowers
55–70d 8h+ sun Container OK
Sweet Alyssum
Sweet Alyssum
40–55d 6h+ sun Container OK
Tall Plains Golden Tickseed Flowers
60–70d 6h+ sun Container (limited)
Tall Trailing Mix Nasturtium Flowers
55–70d 6h+ sun Container (limited)
Texas Bluebonnet Lupine Flowers
75–95d 6h+ sun Container (limited)
Tropical Milkweed Flowers
90–120d 8h+ sun Container OK
Velvet Queen Sunflowers
75–90d 8h+ sun Container (limited)
Viola and pansy edible flowers
Viola and pansy edible flowers
60–70d 6h+ sun Container OK
Whirlybird Nasturtium Flowers
50–60d 6h+ sun Container OK
White clover living mulch
White clover living mulch
70–90d 6h+ sun
Winter rye cover crop stands
Winter rye cover crop stands
180–220d 6h+ sun
Yarrow
Yarrow
6h+ sun Container OK
Yellow Sulphur Cosmos Flowers
55–70d 8h+ sun Container OK
Yellow Sweet Blossom Clover Cover Crop
60–90d 6h+ sun
Zinnia
Zinnia
60–90d 6h+ sun Container OK

Other Flowers & Cover Crops

2 varieties

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