Lobed Tickseed (Eared Coreopsis) care

Light

Bright but filtered. Lobed Tickseed burns within days in unfiltered south-facing summer sun, and stops growing within months in deep shade. Performs best in partial shade to full sun. Naturally grows at woodland edges and open forest understories; 3–5 hours of direct sun is ideal. Full sun increases flower production but requires more moisture. Tolerates more shade than most coreopsis species. If you only have a south window, set the plant back 1.5 m or hang a sheer curtain — both knock the intensity down into the right range.

Watering

Watering lobed tickseed: low to moderate; drought-tolerant but benefits from occasional watering. The number that matters isn't the day of the week — it's how dry the top 2-3 cm of the pot feels. A finger in the soil tells you more than a watering app. After every watering, tip the saucer. Once established, tolerates dry to moderately moist conditions. In partial shade, requires less water than in full sun. Water during dry spells in summer; avoid waterlogged soils. Established plants are moderately drought-tolerant.

Soil and pot

Lobed Tickseed grows best in well-drained, dry to medium loam, sandy, or rocky soil. Naturally found in dry to medium, often rocky or sandy soils at woodland edges. Tolerates low fertility and acidic conditions. Avoid consistently wet or heavy clay soils. pH 5.0–6.5. Good drainage extends plant longevity. A pot with a working drainage hole is non-negotiable for this species — even free-draining mix will turn soggy in a closed planter. If you love the look of a decorative pot without a hole, use it as a cachepot around an inner nursery pot you can lift out to water.

Humidity and temperature

Lobed Tickseed sits happiest at around 40–70% humidity and -20–38°C (-4–100°F). Native to the moderately humid southeastern US. Handles typical garden humidity without issues. Ensure good airflow in shaded positions to reduce foliar disease risk. No supplemental humidity required. If you keep the room above year-round and avoid placing the plant near a cold draught, a hot radiator, or an air-conditioning vent, you have already handled the two biggest indoor stressors.

Fertilising

Feed lobed tickseed sparingly. Minimal requirements. A light top-dressing of compost or a single balanced slow-release application in early spring suffices on poor soils. Overly fertile soils produce excessive foliage and fewer flowers. Skip fertiliser entirely on a stressed, recently-repotted, or actively wilting plant — fertiliser salts make damage worse, not better. Wait for a round of healthy new growth before resuming a feeding rhythm.

Common problems

Below are the issues we see most often on lobed tickseed in the Growli community. Each is annotated with the most common cause so you know where to start.

• Powdery mildew in shaded sites — Shaded, humid conditions with poor airflow predispose foliage to powdery mildew. Thin crowded clumps, improve air circulation, and water at the base. The cultivar 'Nana' is particularly susceptible.
• Slugs and snails — Low-growing, semi-evergreen foliage is attractive to slugs and snails, especially in moist woodland conditions in spring. Apply iron phosphate slug pellets around plants or use copper barrier tape for container specimens.
• Declining vigour in dense shade — Though more shade-tolerant than most coreopsis, deep shade (fewer than 2 hours of direct light) results in sparse flowering and thin growth. Move to a brighter woodland edge or prune overhead canopy.

Propagation

Divide stolon-produced offsets in early spring or autumn — very easy. Sow seed after cold stratification at 4°C for 6 weeks. The popular dwarf cultivar 'Nana' comes true from division only. Propagation is the cheapest, most satisfying way to expand a collection — and it doubles as insurance against losing a mature plant to an accident. Take a backup cutting once the parent is established and healthy.

Toxicity to pets

Lobed Tickseed is pet-safe. Coreopsis is listed by the ASPCA as non-toxic to dogs and cats. No toxic principles are known for Coreopsis auriculata. If you keep cats, dogs, or curious children in the house, weigh placement carefully — a high shelf or a hanging planter is enough for casual safety. For severe ingestion incidents, call your local vet and the ASPCA Animal Poison Control Center (in the US, 888-426-4435).

Pet-safety status is sourced from the ASPCA Toxic and Non-Toxic Plant List, which catalogues the most-asked-about plants for cats, dogs, and horses.

Lobed Tickseed deep-dive guides

Every aspect of lobed tickseed care, each with its own calibrated guide:

• Lobed Tickseed watering schedule
• Lobed Tickseed light requirements
• Best soil mix for lobed tickseed
• Lobed Tickseed fertilizing guide
• When to repot lobed tickseed
• How to propagate lobed tickseed
• Lobed Tickseed growth rate & size
• Lobed Tickseed cold hardiness
• Lobed Tickseed temperature & humidity
• Is lobed tickseed toxic to cats & dogs?
• Is lobed tickseed toxic to cats?
• Is lobed tickseed toxic to dogs?
• Getting lobed tickseed to bloom

Featured in these plant shortlists

Lobed Tickseed qualifies for 10 curated Growli shortlists — each one filtered objectively from our structured plant-care library, so the selection is consistent and checkable:

• Best pet-safe houseplants — Houseplants the ASPCA lists as non-toxic to cats and dogs — every one verified against the ASPCA toxic and non-toxic plant list.
• Best plants for a north-facing window — Houseplants for a north-facing window: bright, even, indirect light and no scorching direct sun. Each pick verified against its documented light needs.
• Best drought-tolerant houseplants — Houseplants that prefer to dry out — forgiving of forgotten watering and ideal for travel or busy weeks.
• Best flowering houseplants — Indoor plants grown for their blooms — selected from the flowering species in Growli’s plant-care library.
• Best pet-safe low-maintenance plants — Non-toxic to cats and dogs and forgiving of forgotten watering — the easiest safe choices for a busy pet household.
• Best pet-safe flowering plants — Flowering houseplants the ASPCA lists as non-toxic to cats and dogs — colour and blooms in a pet home, without the worry.
• Best pet-safe plants for bright light — Non-toxic to cats and dogs and happy in a bright, sunny spot — safe plants for your best-lit windowsill.
• Best houseplants for a cool room — Houseplants that tolerate cool conditions down to about 10°C — for an unheated spare room, hallway, porch or a home kept cool.
• Best cat-safe plants — Houseplants the ASPCA lists as non-toxic to cats (and dogs) — safe greenery for a home with a curious cat.
• Best dog-safe plants — Houseplants the ASPCA lists as non-toxic to dogs (and cats) — safe greenery for a home with a curious dog.
• Browse all 29 plant shortlists — pet-safe, low-light, drought-tolerant and more

Related guides

Lobed Tickseed is also known as Lobed Tickseed, Eared Coreopsis, and Mouse-ear Tickseed.

• Crocus 'Jeanne d'Arc' care — light, water and common problems
• Crocus 'Pickwick' care — light, water and common problems
• Crocus tommasinianus 'Ruby Giant' care — light, water and common problems
• All 6887 plant care guides in the Growli library