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Zones 6–7 Flowers

Annuals & Perennials

Welcome to your Zones 6–7 flower guide! Find sowing dates, bloom periods, and Lion Gardener notes to make your garden thrive.

Annuals – Zones 6–7

Flower	Sow/Plant Dates	Bloom Period	Sun/Shade	Notes / Tips	Resources
Cosmos	Indoor: mid-March Outdoor: after frost	July–Oct	🌞 Full Sun	Self-seeds 🌱 \| Attracts pollinators 🐝 \| Leave spent blooms for seed	Grow Cosmos
Sweet Peas	Outdoor: early spring (pre-frost)	June–July	🌞 Full Sun	Fragrant 🌼 \| Trellis support \| Cut often to extend bloom ✂️	Sweet Peas
Dahlias	Plant tubers: after last frost	July–Oct	🌞 Full Sun	Excellent cut flower ✂️ \| Lift & divide tubers \| Pollinator-friendly 🐝	Grow Dahlias
Gladiolus	Plant corms: after frost	July–Sept	🌞 Full Sun	Cut flowers ✂️ \| Stake tall stems \| Succession plant for longer bloom	Grow Gladiolus
Calendula	Indoor: Feb–Mar Outdoor: after frost	May–Oct	🌞 Full Sun	Self-seeds 🌱 \| Edible petals \| Companion for vegetables 🌿	Flower Calendar
Impatiens	Indoor: Mar–Apr Outdoor: after frost	June–Oct	Partial Shade	Shade color pop \| Keep evenly moist \| Containers & borders	Shade Plants
Fuchsia	Indoor: Mar–Apr Outdoor: after frost	June–Oct	Partial Shade	Pinch for bushy growth ✂️ \| Attracts hummingbirds 🐝 \| Great baskets	Plants 4 Baskets
Dusty Miller	Indoor: Mar–Apr Outdoor: after frost	June–Sept	🌞 Full Sun	Silver foliage \| Texture contrast \| Drought tolerant once established	Soil Amendments
Zinnias	Indoor: Mar–Apr Outdoor: after frost	June–Sept	🌞 Full Sun	Self-seeds 🌱 \| Excellent cut flower ✂️ \| Attracts pollinators 🐝	Flower Calendar
Poppies	Outdoor: early spring	June–July	🌞 Full Sun	Self-seeds 🌱 \| Do not transplant \| Delicate blooms	Plant Today Flower Calendar
Stock	Indoor: Feb–Mar Outdoor: after frost	May–July	🌞 Full Sun	Strong fragrance 🌼 \| Cool-season bloomer \| Cut flowers ✂️	Frost Dates Flower Calendar
Sunflowers	Outdoor: after frost	July–Sept	🌞 Full Sun	Self-seeds 🌱 \| Tall types need staking \| Pollinator magnet 🐝	Grow Sunflowers
Geraniums	Indoor: Feb–Mar Outdoor: after frost	June–Sept	🌞 Full Sun	Easy from cuttings ✂️ \| Containers & borders \| Overwinter indoors	Seasonal Blooms
Marigolds	Indoor: mid–Mar Outdoor: after frost	June–Oct	🌞 Full Sun	Attracts pollinators 🐝 \| Deters pests 🌿 \| Companion plant	Flowers Flower Calendar
Petunias	Indoor: late March Outdoor: after frost	June–Sept	🌞 Full Sun	Deadhead for bloom ✂️ \| Take cuttings \| Containers & beds	Petunias

Perennials – Zones 6–7

Flower	Sow/Plant / Care Dates	Bloom Period	Sun/Shade	Notes / Tips	Resources
Lilies	Plant bulbs: fall or spring	July–Aug	Full Sun–Partial	Divide every 3–4 yrs ✂️ \| Supports 🐝 \| Companion: alliums, lavender	Growing Lilies
Peonies	Plant/divide: fall or early spring	May–June	🌞 Full Sun	Long-lived, may take years to bloom ✂️ \| Fragrant 🌼 \| Companion: irises, lilies
Carnations	Plant cuttings or divisions: spring	June–July	🌞 Full Sun	Fragrant 🌼 \| Good for cutting ✂️ \| Companion: lavender, roses
Rudbeckia	Sow seeds: indoor Mar–Apr or outdoor after frost	July–Sept	🌞 Full Sun	Self-seeding 🌱 \| Drought tolerant \| Attracts pollinators 🐝
Coneflowers	Sow seeds: spring indoors / early spring outdoors	July–Sept	🌞 Full Sun	Self-seeding 🌱 \| Attracts pollinators 🐝 \| Companion: rudbeckia, yarrow
Roses	Plant bare-root: spring/fall	June–Sept	🌞 Full Sun	Prune annually ✂️ \| Mulch for winter \| Fragrant 🌼 \| Companion: lavender, carnations	Growing Roses
Snapdragons	Sow indoor: Jan–Mar, transplant after frost	June–Sept	Full Sun–Partial	Self-seeding 🌱 \| Pinch tips for bushy growth ✂️ \| Attracts pollinators 🐝	Grow Snapdragons
Hollyhocks	Sow outdoor: spring or fall	July–Aug	🌞 Full Sun	Self-seeds 🌱 \| May need staking \| Companion: hollyhocks with roses for height	Growing Hollyhocks
Wallflowers	Sow indoor: Jan–Mar, transplant after frost	May–June	🌞 Full Sun	Fragrant 🌼\| Short-lived perennials ✂️ \| Companion: pansies, violas
Feverfew	Sow seeds: spring indoors / after frost	June–Sept	🌞 Full Sun	Self-seeding 🌱 \| Medicinal use \| Companion: yarrow, coneflowers
Pansies	Sow indoor: Feb–Mar, transplant after frost	May–June	Full Sun–Partial	Cool-season 🌱 \| Can overwinter \| Companion: wallflowers
Lavender	Sow indoor: Feb–Mar, transplant after frost	June–July	🌞 Full Sun	Good drainage \| Prune lightly after blooming & Fall \| Attracts pollinators 🐝 \| Companion: roses, carnations	Growing Lavender Flower Calendar
Iris	Plant outdoors after frost	May–June	🌞 Full Sun	Good drainage \| Divide every 3–5 yrs ✂️ \| Companion: peonies, lilies	Growing Irises
Autumn Joy Sedum	Plant outdoors after frost	May–June	🌞 Full Sun	Good drainage \|Drought tolerant \| Attracts pollinators 🐝 \| Companion:Coneflowers, Ornamental Grasses	Autumn Joy Sedum
Astilbe	Plant outdoors after frost	May - some August	🌞 Full Sun	Keep Soil Moist \| Attracts pollinators 🐝 \| Companion:Hostas, Ferns, Heuchera, Japanese Forest Grass	Astilbe Perennial Gardening
Delphiniums	Plant outdoors after frost	June-July	🌞 Full Sun	Prune after blooms, Staking, lasts 2-3 years \| Attracts pollinators 🐝 \| Companion:Salvia, Roses, Daisies, Yarrow, Peonies, iris	Delphiniums Perennial Gardening
Heuchera	Plant outdoors after frost	June-August	Partial shade - Full Sun	Attracts pollinators 🐝 \| Companion: Hostas, Ferns, Columbines, Bleeding Heart	Heuchera Perennial Gardening
Spring Flowering Bulbs	Plant: fall before frost	Mar–May	Full Sun–Partial	Divide every few years ✂️ \| Includes tulips, daffodils, crocus \| Companion: pansies, violas	Grow Spring Bulbs

Seasonal Checklist

Early Spring

Start pansies and other hardy annuals indoors
Prep soil for perennials

Late Spring

Transplant annuals outdoors after frost
Stake tall flowers

Summer

Deadhead and water regularly
Monitor for pests

Fall