Organic Garden Selections

Dahlia | Decorative Giants Mixed

$3.50

Low in stock

Make a statement in your garden with Dahlia ‘Decorative Giants Mixed’ — a dazzling blend of large, double and semi-double blooms in vibrant colours and bi-colours. These tall, showy plants reach up to 90–120cm, producing flowers so big they’re often called “dinner plate dahlias.” Perfect for cut flower gardens, borders, and mass plantings, they add drama and elegance from late spring through autumn.

This mix includes a variety of forms and shades, making it a favourite for gardeners and florists alike. Easy to grow from seed, they’re a stunning addition to any sunny garden bed.

  • 🌿 Botanical name: Dahlia pinnata
  • 🌼 Life cycle: Tender perennial (grown as annual in cool climates)
  • 📏 Height: 90–120cm
  • 🎨 Colour mix: Brights, pastels, and bi-colours
  • ✂️ Use: Borders, cut flowers, cottage gardens
  • 📦 Seed count: Approx : 0.200g / 20 seeds per pkt 

 

🌱 Growing Instructions

Sowing Time (Australia):

  • Tropical & Subtropical: Spring and Autumn
  • Temperate & Cool: Spring to early summer

Sowing Method:

  • Start indoors 6–8 weeks before last frost or sow direct after frost risk has passed
  • Sow seeds 5mm deep in well-drained seed-raising mix
  • Maintain temperature around 21–23°C for germination (7–12 days)

Position:

  • Full sun
  • Sheltered from strong winds

Spacing:

  • Space plants 40–60cm apart for best airflow and flower development

Soil:

  • Rich, well-drained soil with added compost or organic matter

Watering & Feeding:

  • Water regularly but avoid waterlogging
  • Feed fortnightly with liquid fertiliser during active growth

Care Tips:

  • Deadhead spent blooms to encourage continuous flowering
  • In cooler climates, lift and store tubers after frost for replanting next season
  • Avoid disturbing plants for two years if growing for tuber harvest

 

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Perfect for Gifting

Thoughtful seed packs for birthdays, housewarmings, or just-because moments.

Eco-Friendly Promise

Every seed supports sustainable gardening and pollinator-friendly habitats.

Pollinator Paradise

Attract bees, butterflies & beneficial insects with our pollinator-friendly seeds.