How to Grow Coneflowers, Black-eyed Susans, and Daylilies
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Coneflowers, Black-eyed Susans, and Daylilies
Echinacea spp., Rudbeckia spp., Hemerocallis spp.
flowerA trio of hardy perennial flowers prized for their vibrant blooms, exceptional drought tolerance, and low-maintenance nature. These sun-loving plants attract pollinators and provide reliable color from late spring through fall across diverse growing regions. All three are perfect for beginner and experienced gardeners seeking long-lived, disease-resistant garden staples.
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Example Coneflowers, Black-eyed Susans, and Daylilies timeline · Pittsburgh, PA (Zone 6b)
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Plant Coneflowers, Black-eyed Susans, and Daylilies
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Coneflowers, Black-eyed Susans, and Daylilies blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 3-9 (depending on specific variety); all three thrive across most of North America
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Get my Coneflowers, Black-eyed Susans, and Daylilies timeline →Growth Stages
Vegetative Growth (Spring - Early Summer)
4-6 weeksPlants produce robust clumps of foliage; leaf count and stem height increase rapidly.
Monitor for weeds and keep mulch 2-3 inches away from crowns. Water during dry periods. Remove any dead or diseased foliage. Stake tall varieties (especially Coneflowers) if needed.
Flowering (Late Spring through Fall)
8-14 weeks (varies by type and variety)Abundant blooms emerge on sturdy stems. Coneflowers and Black-eyed Susans peak mid-summer through early fall; Daylilies bloom in waves (repeat bloomers multiple times; some single flush).
Deadhead spent flowers to promote continuous blooming. Pinch back tall varieties in early summer for bushier plants. Continue watering during heat. Fertilize monthly with balanced fertilizer if soil is poor.
Late Season & Dormancy (Fall - Winter)
8-12 weeksBlooming slows or stops; foliage yellows and dies back. Plants enter dormancy.
Allow seed heads to mature (provides winter interest and food for birds). Cut back in late fall or early spring (wait until new growth appears in spring if in cold climates). Do not fertilize. Leave mulch layer for winter protection in cold zones.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Hand-pick in early morning; use pheromone traps; apply neem oil or insecticidal soap; introduce milky spore fungus to soil for larvae control
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Increase humidity by misting; spray with strong water stream; use neem oil or miticide in severe cases; ensure good air circulation
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Improve air circulation; avoid overhead watering; apply sulfur or potassium bicarbonate spray; remove affected leaves; thin crowded plants
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Spray with insecticidal soap; release ladybugs; use neem oil; strong water spray can dislodge colonies
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Remove debris and dense mulch where pests hide; handpick at dusk; use copper tape barriers; beer traps; diatomaceous earth
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Remove infected foliage; improve air circulation and avoid overhead watering; apply sulfur fungicide if severe
Uses
Edible Daylily Flowers
CulinaryDaylily buds and flowers are edible with a mild, slightly sweet flavor. They can be used in salads, stir-fries, or as decorative garnishes. [source]
Immune Support & Wellness
MedicinalEchinacea (Coneflower) is traditionally used to support immune function and is studied for potential cold/flu symptom reduction. Often used as tea or tincture. [source]
Cut Flowers & Floral Arrangements
HouseholdAll three provide excellent long-lasting cut flowers for vases and arrangements, reducing the need to purchase florist flowers and extending enjoyment indoors. [source]
Pollinator & Songbird Support
WildlifeConeflowers and Black-eyed Susans attract butterflies, bees, and other pollinators; mature seed heads are crucial food sources for finches and other songbirds in fall and winter. [source]
Dried Flowers & Arrangements
CraftAll three dry beautifully and can be used in dried arrangements, wreaths, and craft projects, retaining color and form for months or years. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
These are primarily ornamental plants; enjoy blooms in the garden. For cutting: harvest Coneflowers and Black-eyed Susans in early morning when flowers are fully open, cutting stems at base. Daylily flowers last only one day but are edible and can be harvested when fully open. For seed collection (for next season or wildlife): allow seed heads to mature and dry on plant, then cut and collect in fall. Store seeds in cool, dry location.
Fun Facts
- 🌱 Coneflowers are native to North America and were used by Indigenous peoples for medicinal purposes long before commercial cultivation.
- 🌱 Daylilies are called 'daylilies' because each flower blooms for exactly one day—but a mature plant produces numerous buds that open sequentially over weeks, providing continuous color.
- 🌱 Black-eyed Susans are extremely cold-hardy and can naturalize in meadows, creating stunning golden fields with minimal intervention; they're the state flower of Maryland.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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