Black-Eyed Susan (Rudbeckia)

Also known as Black-Eyed Susan, Rudbeckia is a cheerful and hardy perennial known for its vivid yellow flowers with contrasting dark centres. Blooming from mid-summer well into fall, this plant thrives in both garden beds and containers, bringing long-lasting colour and structure to your space. It is a great choice for low-maintenance landscapes and pollinator gardens, attracting bees and butterflies throughout the blooming season.

Where Can You Grow Rudbeckia?
Best suited to Zones 3–9, Rudbeckia grows well in full sun and tolerates a range of soil types. It performs particularly well in moderately dry or well-drained soils and is an excellent choice for borders, wildflower meadows, or container gardens.

History and Historical Uses
Native to North America, Rudbeckia has long been valued by Indigenous peoples and herbalists for its potential medicinal properties, especially in supporting immune health. It also holds a firm place in ornamental gardens due to its reliability, beauty, and role in promoting pollinator activity.

Canadian Zone Information
Zones 8-9: Direct sow in autumn or early spring for robust flowering.
Zones 5-7: Start indoors or direct sow in spring after frost risk has passed.
Zones 3-4: Start indoors 6-8 weeks before last frost; harden off before transplanting.

How to Grow and Harvest Rudbeckia

Planting: Sow seeds 3mm (1/8in) deep, 30-45cm (12-18in) apart in well-drained soil.
Watering: Water regularly until established, then reduce to occasional deep watering.
Harvesting: Cut blooms regularly to promote continuous flowering; leave some for seed.
Maintenance: Deadhead to prolong blooming or leave seed heads for birds and reseeding.

Seed Saving Tips for Future Supply

Select Flower Heads: Allow seed heads to fully dry on the plant.
Harvest Seeds: Cut and bag seed heads when dry; shake to release seeds.
Dry and Store: Further dry seeds indoors if needed; clean and label.
Store: Keep in airtight containers in a cool, dry place; viable for up to 4 years.

Certified Organic By
Islands Organics Producers Association (Cert#1962)