Coreopsis lanceolata

Tickseed Care & Identification Guide

An exceptionally bright and carefree wildflower native to North American prairies, Tickseed (Coreopsis) produces a dazzling, non-stop sea of golden-yellow, daisy-like blossoms from early summer to autumn. Unbothered by heat, drought, or poor soil, it is a staple of pollinator-friendly borders and low-maintenance meadows. It is widely celebrated by botanists for its distinct environmental adaptability and structural appeal.

Sunlight Full Sun

Watering Low to

Soil Mix Average, dry

Temperature 15°C - 28°C

Toxicity Non-toxic

Botanical macro photography of Tickseed (Coreopsis lanceolata) - Plant AI care database

How to Identify Tickseed

A bushy, clump-forming herbaceous perennial producing hundreds of bright, daisy-like composite flowers on slender, airy, upright stems.

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Key Visual Features: Deep-green, narrow, lance-shaped leaves (lanceolata) that are primarily clustered at the base of the plant; stems are thin, wiry, and branching.
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Color Variations: Radiant golden-yellow petals, often featuring a distinct jagged, saw-toothed outer edge, surrounding a matching yellow central disk.
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Common Confusions: Can resemble wild Daisies or Dandelions, but Tickseed is easily identified by its lance-shaped leaves, its unique flat, tick-like seeds, and its bright yellow petals with characteristic jagged, pinked tips.

💡 Plant AI Tip: If you are not sure, take a photo with Plant AI to identify it instantly.

Complete Care & Cultivation Guide

Follow our detailed scientific care guide to keep your Tickseed thriving and gorgeous all year round.

Tickseed requires a highly measured water supply. Typically, water thoroughly until it drains out of the bottom holes only when the top soil layer becomes dry. Based on its specific characteristics: Low to Moderate (Highly drought-resistant once established; water deeply only when the top 2 inches of soil are dry; extremely sensitive to wet, soggy winter soils). Never allow the roots to sit in stagnant water as it leads to root decay. Reduce watering significantly during autumn and winter dormant phases.

Regular deadheading is essential for Tickseed. Snip off faded, spent flowers immediately to prevent seed production and redirect the plant's energy into producing fresh new buds. Trim yellowing or damaged foliage near the stem base using sterilized bypass shears.

Feed Tickseed heavily in spring and summer with a fertilizer high in phosphorus to support prolific bud development and rich petal color. Apply a diluted balanced flower liquid fertilizer every 2 to 3 weeks. Avoid excess nitrogen which results in massive green leaves but sparse blooms.

Tickseed requires Full Sun (Requires 6+ hours of intense, direct sunlight daily; lower light leads to spindly, weak stems, fewer flowers, and susceptibility to fungal diseases). Provide bright, consistent indirect filtered sunlight daily. Avoid exposing the foliage to harsh direct midday sun which can easily bleach, scorch, or dry out the delicate leaves.

The optimal substrate for Tickseed is a loose, rich, exceptionally fast-draining potting soil. Based on requirements: Average, dry to medium moisture, exceptionally well-draining garden soil; thrives in sandy, rocky, or gravelly soils with low fertility (pH 6.2-7.2). A standard high-aeration mix consists of 50% organic peat moss or coco coir, 30% chunky orchid bark or pumice, and 20% coarse perlite to facilitate excellent oxygen circulation.

Easily propagate Tickseed using stem cuttings in spring. Cut a healthy 4-inch stem section just below a node, remove lower leaves, and submerge the node in clean water or moist perlite mix until active roots develop in 3 weeks.

Thrives in standard warm environmental conditions: 15°C - 28°C (59°F - 82°F); highly cold-hardy perennial, Zones 3-9. Keep the plant safe from cold drafts, drafty windows, air conditioning vents, or direct heaters. Ensure winter protection is maintained to prevent cellular damage and floppy leaf decay.

Choose a heavy unglazed clay or terracotta container with multiple bottom drainage holes. Terracotta allows excess soil moisture to breathe and evaporate safely. Repot the plant every 1 to 2 years in spring, upgrading to a container that is 2 inches wider.

Regularly inspect Tickseed leaves for spider mites spinning fine webs under dusty leaves, cottony mealybugs hiding in leaf joints, or scale insects on stems. Treat immediately by wiping foliage with organic neem oil solution or spraying with mild insecticidal soap every 7 days.

Tickseed can be affected by: • **Powdery Mildew (Fungal)**: Symptoms include White powdery coating on the narrow leaves during humid late summer months, causing foliage to yellow and shrivel.. *Action*: Space plants to maximize airflow, water at the base, and apply neem oil or organic sulfur spray. | • **Crown Rot (Fungal)**: Symptoms include Rotting at the base of the plant in wet, poorly draining soils, causing the stems to blacken and collapse.. *Action*: Plant in highly draining sandy or gravelly soil. Avoid heavy mulching over the plant's crown.. Always prioritize soil drainage and proper air circulation. Spray leaves with organic fungicides like copper fungicide or chamomile tea sprays to prevent bacterial leaf spot spreads.

The secret to a gorgeous Tickseed is consistent placement and cleaning. Avoid rotating or moving the plant frequently as sudden environmental shifts can induce shock. Wipe leaves with a damp microfiber cloth monthly to clear dust and enhance natural photosynthesis.

Common Diseases & Treatment

Powdery Mildew (Fungal)

Symptoms: White powdery coating on the narrow leaves during humid late summer months, causing foliage to yellow and shrivel.

Action: Space plants to maximize airflow, water at the base, and apply neem oil or organic sulfur spray.

Crown Rot (Fungal)

Symptoms: Rotting at the base of the plant in wet, poorly draining soils, causing the stems to blacken and collapse.

Action: Plant in highly draining sandy or gravelly soil. Avoid heavy mulching over the plant's crown.

Frequently Asked Questions

Why is this beautiful flower named 'Tickseed'?

Because of its seeds! The name 'Coreopsis' comes from the Greek words *koris*, meaning 'bug/tick', and *opsis*, meaning 'appearance'. The plant's flat, dark seeds are small, curved, and have tiny hooks that make them look exactly like ticks or beetles. These hooks help the seeds cling to animal fur to disperse in nature.

Is Tickseed safe for my household pets?

Yes! Tickseed (Coreopsis) is completely non-toxic to dogs and cats. It is a highly recommended plant for pet-friendly backyard landscaping, allowing you to enjoy vibrant, long-lasting summer color without worrying about the safety of your curious pets.

How do I keep my Tickseed blooming continuously all summer long?

You must deadhead! As the daisy-like flowers fade and their petals drop, use garden shears to snip off the spent flower heads down to the nearest set of leaves. This stops the plant from producing seeds, prompting it to continuously pump out new flower buds.

Why did my Tickseed die over the winter?

The primary killer of Tickseed during winter is wet soil! While they are extremely cold-hardy and can easily survive freezing winter temperatures, their roots cannot tolerate sitting in heavy, soggy, waterlogged clay soil during winter dormancy, which causes lethal crown rot. Always plant them in sandy, well-draining beds.