Description

Rudbeckia hirta, communément appelée Susan aux yeux noirs, est une plante à fleurs nord-américaine de la famille des Astéracées, originaire de l'est et du centre de l'Amérique du Nord et naturalisée dans la partie occidentale du continent ainsi qu'en Chine.

Spécifications

  • Plant Name: Black Eyed Susan (Rudbeckia hirta)
  • Cultivar Type: Native Heirloom, Open-Pollinated
  • Plant Class: Short-Lived Hardy Perennial / Self-Seeding Tender Perennial (Grown as an Annual or Biennial)
  • Color: Bright golden-yellow petals surrounding a prominent dark chocolate-brown central cone
  • Plant Characteristics: Upright branching habit (24–36 inches tall / 60–90 cm), coarse hairy dark green leaves, 3- to 4-inch single blooms, long sturdy stems, exceptional heat
  • cold tolerance: cold tolerance
  • Suitable Space: Native plant plots, pollinator borders, wildflower meadows, cottage gardens, cutting beds, naturalized roadside drifts
  • Season: Midsummer through Autumn (Long Bloom Window)
  • Best Time for Sowing (Zone 6b): Surface sow indoors late February to March (seeds require light to germinate; gently press into soil without covering); transplant outdoors mid-to-late May. Alternatively, direct surface sow outdoors in late April to May, or late autumn (October to November) for natural winter stratification.
  • Lis Plus
What is included?

Contains about 1 gram of seeds

Check out the growing specs for the specific organic heirloom seeds you bought.

Good to know
  • Exceptionally hardy, low-maintenance native plant that thrives in poor soils, intense heat, and dry conditions
  • Prolonged bloom period from July to frost, offering long-lasting cut flowers with excellent vase life
  • Outstanding wildlife value—provides abundant summer nectar for pollinators and winter seed heads for goldfinches and songbirds
  • Coarse, bristly foliage can occasionally be susceptible to leaf spot fungal issues if planted in crowded, humid conditions with poor air circulation
  • Readily self-seeds; may spread beyond its intended plot unless spent flower heads are cut back before going to seed

Gift tip for your lover, family, friend, or colleague 

A thoughtful gift for gardeners of all skill levels—whether they're seasoned green thumbs or just getting started.

Let your friends discover their own gardening style. Perfect for birthdays, housewarming celebrations, or any occasion that calls for something meaningful and unique. A gift that grows with them.

Consider our Gift Card as the ultimate flexible option. Let them choose exactly what they need—flowers, verggies or herbs—and start their gardening journey their way.

*Gift cards are delivered electronically via email. Please check your spam folder if you don't see it in your inbox.*

Recently viewed products

    © 2026 Grand Seeds, Commerce électronique propulsé par Shopify

    • CA (CAD $) CA (CAD $)
    • français - drapeau français - drapeau
    • American Express
    • Apple Pay
    • Bancontact
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa