Coleus Care (Coleus scutellarioides 'Fishnet Stockings')

Also known as: Painted Nettle, Flame Nettle

About Coleus

Coleus scutellarioides 'Fishnet Stockings' is a tender, fast-growing ornamental plant valued for its striking foliage rather than its flowers. It is typically grown as an annual or warm-house perennial. The plant forms a bushy, upright habit with lime to chartreuse leaves heavily netted and veined in deep purple, creating a strong contrast in mixed plantings or containers.

Coleus species trace their origin to tropical regions of Southeast Asia, where they grow in warm, humid, partially shaded habitats. This cultivar is considered relatively easy to grow, as long as it is protected from cold, given consistent moisture, and planted in well-drained, fertile soil. Beginners often find it a good introduction to how to care for Coleus.

Main Plant Requirements

Care Difficulty

Moderate Care

Light Preference

Partial Shade

Water Requirements

Keep Soil Moist

Temperature Preference

Tropical / Frost Sensitive

Hardiness Zone

10–11

Soil Texture

Loamy, Peaty, Organic-rich

Soil pH

Acidic (5.5–6.5), Slightly acidic (6.5–7.0)

Soil Drainage

Moist but well-drained

Fertilization

Light (every 4–6 weeks)

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How to Care for the Coleus

This cultivar prefers bright, indirect light to maintain strong color contrast and healthy growth.

  • Provide 3–6 hours of morning sun with afternoon shade or dappled light; east-facing or lightly shaded south-facing spots work well outdoors.
  • Tolerates partial shade, but in very low light foliage may lose contrast, stretch, and become sparse; move slightly brighter if stems elongate.
  • Avoid harsh midday or late-afternoon sun, which can scorch leaves and fade markings, especially in hot summers; use shade cloth or nearby plants for protection.

Soil should stay lightly moist but never waterlogged to support steady foliage growth.

  • Water when the top 2–3 cm of soil feels dry, soaking thoroughly, then let excess drain; frequency may range from every few days in summer to weekly in cooler conditions.
  • In hot, windy weather, monitor leaves for early wilting or dullness, then water promptly; in cooler or cloudy periods, extend the interval to prevent soggy soil.
  • Yellowing, soft stems and a sour smell signal overwatering, while crisp, drooping leaves indicate underwatering; use a free-draining mix and avoid standing water around roots.

Stable warm conditions support dense foliage and long-season color.

  • Ideal growth occurs around 65–80°F (18–27°C); below 60°F (16°C) growth slows and leaf color may dull, especially in exposed garden beds.
  • Coleus scutellarioides 'Fishnet Stockings' is very frost-sensitive; protect or move plants before temperatures drop near 40°F (4°C) and avoid any exposure to freezing conditions.
  • In hot spells above 90°F (32°C), combine shade, mulched soil, and consistent moisture to limit stress, leaf scorch, and sudden midday wilting.

This cultivar prefers moderately moist air but adapts to typical indoor humidity if watering is consistent.

  • Aim for 40–60% humidity to keep foliage edges from drying or crisping.
  • It tolerates slightly drier air if soil moisture is steady, but avoid hot, drafty spots that speed leaf moisture loss.
  • Humidity stress shows as brown, papery margins and dull color; increase humidity with grouped plants, pebble trays, or a room humidifier.

Soil for Coleus scutellarioides 'Fishnet Stockings' should drain quickly yet hold consistent, light moisture.

  • Use a loose, organic-rich mix such as 2 parts peat- or coir-based potting mix with 1 part perlite or fine bark for structure.
  • Ensure water drains within a few seconds; heavy, compacted, or clay-based substrates promote root rot and should be avoided.
  • A slightly acidic to neutral pH around 6.0–7.0 supports nutrient uptake and stable leaf coloration.
  • Improve aeration by adding extra perlite or pine bark fines if the mix feels dense or stays wet for more than 2–3 days.

This plant is well suited to container growing and responds well to consistent root-space and moisture conditions.

  • Choose a pot only 2–5 cm wider than the root ball to reduce prolonged wetness around fine feeder roots.
  • Select a stable, heavier container if the plant is grown tall or in windy spots, as its leafy top can become top-heavy.
  • Use containers with large drainage holes and keep saucers emptied within 10–15 minutes to prevent waterlogging at the base.

Nutrient support helps Coleus scutellarioides 'Fishnet Stockings' keep vivid foliage in active growth.

  • Use a balanced liquid fertilizer (such as 10-10-10 or 20-20-20) diluted to 1/4–1/2 strength for container plants.
  • Feed every 2–3 weeks from spring through early fall when growth is active.
  • Skip or halve feedings in winter or when growth slows indoors.
  • Avoid heavy, salt-building fertilizers; occasional light top-dressing with fine compost is sufficient outdoors.

Thoughtful trimming keeps Coleus scutellarioides 'Fishnet Stockings' dense and colorful.

  • Pinch soft shoot tips from spring through late summer to encourage branching and a compact mound.
  • Remove dead, damaged, or leggy stems with clean scissors or sharp pruning snips to improve air flow.
  • Cut back overly tall or crowded stems to just above a leaf node to maintain shape.
  • Deadhead flower spikes as they appear to direct energy back into foliage quality.

Container-grown plants benefit from occasional repotting to sustain vigorous growth.

  • Plan to repot every 1–2 years in spring when roots circle the pot or growth slows noticeably.
  • Choose a container 2–5 cm wider with drainage holes and use a light, peat-free, well-draining potting mix.
  • Water thoroughly 1 day before repotting, then gently loosen circling roots without tearing large root sections.
  • After repotting, water to settle the mix, keep in bright but indirect light, and reduce heat stress for 3–5 days.

New Coleus scutellarioides 'Fishnet Stockings' plants are most reliable from stem cuttings.

  • Take 7–10 cm non-flowering tip cuttings in late spring or summer from healthy, pest-free shoots.
  • Remove lower leaves, leaving 2–3 pairs at the top, and place cuttings in water or moist, sterile potting mix.
  • Keep at 70–75°F in bright, indirect light with high humidity until roots reach 2–3 cm.
  • Transplant rooted cuttings into small pots, then gradually increase light and resume light feeding.

This tender ornamental is not frost tolerant and needs protection in cool climates.

  • Move containers indoors before temperatures drop below 50°F, placing them in bright, indirect light.
  • Reduce watering in winter so the top 2–3 cm of potting mix dries between waterings.
  • In mild climates, treat outdoor plants as annuals or mulch lightly to extend the season until the first frost.
  • Avoid cold drafts and sudden temperature swings indoors to limit leaf drop and stress.

Care Tips

Pinch for Density

Pinch out the soft tips of each stem every 2–3 weeks through midsummer to keep the plant compact, encourage more branching, and maintain crisp leaf patterning.

Rotate for Even Color

Turn container plants 90° every 7–10 days so all sides receive similar light, which reduces leaning and helps the purple veining stay evenly developed across the plant.

Refresh Tired Stems

If lower stems get woody or sparse, cut them back by 1/3 in late spring or early summer to stimulate fresh, colorful growth from lower nodes.

Plan Seasonal Replacement

Start new cuttings from the healthiest non-flowering shoots 6–8 weeks before expected frost so you can replace older, leggy plants and maintain a vigorous display when growing Coleus each year.

Flower Spike Management

Remove flower spikes as soon as they appear by snapping or cutting them off at the base to direct energy back into leaf growth and preserve the foliage pattern.

Common Pests and Diseases

Mealybugs

This pest often hides in leaf nodes and along stems, feeding on sap and causing distorted, stunted new growth. Symptoms include white cottony clumps, sticky honeydew, and sooty mold on the striking foliage pattern.

Solution

Isolate the plant, then remove visible insects with a cotton swab dipped in 70% isopropyl alcohol and wipe leaf undersides thoroughly. For heavier infestations, wash the plant with a gentle shower and apply a neem oil or insecticidal soap spray weekly until no new mealybugs appear, while improving airflow and avoiding overfertilizing to reduce soft, weak growth.

Spider mites

These insects thrive on Coleus foliage in warm, dry indoor conditions, causing tiny pale speckles, dulling of color, and fine webbing between leaves and stems. This pest can quickly cause leaf drop on the delicate variegated leaves if not controlled early.

Solution

Increase humidity around the plant, then rinse foliage under a lukewarm shower or with a handheld sprayer, focusing on leaf undersides. Follow with regular applications of insecticidal soap or neem oil every 5–7 days for several cycles, and keep the plant slightly away from hot, dry drafts to reduce future outbreaks as part of consistent Coleus indoor care.

Aphids

These insects cluster on tender shoot tips and the undersides of young leaves, sucking sap and causing curling, yellowing, and misshapen growth. Sticky honeydew and attendant ants are common secondary signs.

Solution

Prune off heavily infested shoot tips and discard them, then spray remaining foliage with a strong stream of water to dislodge insects. Follow up with insecticidal soap on all leaf surfaces every few days until no aphids remain, and avoid excessive nitrogen fertilization, which encourages soft, aphid-prone growth.

Downy mildew

This disease is favored by cool, humid conditions and overhead watering, leading to pale yellow blotches on upper leaf surfaces and grayish or purplish fuzzy growth on the undersides. Symptoms include rapid leaf drop, starting on lower leaves and moving upward, which can defoliate Coleus plants.

Solution

Remove and discard all affected leaves and plant debris, then improve spacing and airflow and water at the soil level only, keeping foliage dry. In outdoor situations avoid evening watering, and in severe cases dispose of heavily infected plants and avoid replanting Coleus in the same spot for at least 1 season to limit spore buildup.

Stem and crown rot

This disease typically appears when Coleus is grown in poorly drained, consistently wet soil, causing stems at the soil line to darken, soften, and collapse. Symptoms include sudden wilting even in moist soil and a foul smell around the crown area.

Solution

Remove and discard affected plants and any heavily rotted stems, and improve drainage by using a well-aerated potting mix and containers with unobstructed drainage holes. Water only when the top 2–3 cm of soil feel dry, avoid letting pots sit in saucers of water, and keep plant spacing generous to promote faster surface drying after watering.

Interesting Facts

Patterned by unstable pigments

This cultivar’s dark netted pattern over lime-green leaves comes from unstable anthocyanin distribution in the leaf tissue, which creates sharply defined veins and margins instead of a uniform color wash seen in many other coleus varieties.

Selected for strong contrast

Fishnet Stockings was bred specifically for high visual contrast in shaded gardens, maintaining its characteristic dark veining in lower light where many other coleus cultivars fade or become more uniformly green.

Color influenced by temperature

Growers report that its purple-black veining typically deepens in cooler conditions and can appear slightly softer in sustained heat, a response linked to temperature effects on anthocyanin synthesis and stability.

FAQs about Coleus

Brown, crisp leaf edges usually come from low humidity, underwatering, or excess fertilizer salts. Check soil moisture, flush the pot occasionally, and keep it away from hot drafts or strong direct sun that can scorch foliage.

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