Zone 6-7 Flowers

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

  • Start pansies and other hardy annuals indoors
  • Prep soil for perennials
  • Transplant annuals outdoors after frost
  • Stake tall flowers
  • Deadhead and water regularly
  • Monitor for pests
  • Divide perennials if needed
  • Collect seeds for next year

Explore Other Zones


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