Jun 11, 2026 / By Anas Heaba / in Growing Guides
Coleus, known in Egypt as كاليوس or "the carpet plant" (نبات السجاد), is a tropical foliage plant in the mint family (Lamiaceae). You may also see it sold under older names like Coleus blumei, Plectranthus scutellarioides or Solenostemon scutellarioides — they all refer to the same plant. It is grown not for its flowers but for its dazzling multi-coloured leaves, which come in shades of red, burgundy, lime, pink and chocolate.
Coleus is a heat-tolerant, warm-season plant that loves Egypt's hot summers. It is tender and dies in frost, but because Egypt's lowland winters are mild and largely frost-free, you can enjoy a long growing season from spring right through autumn — and in many areas keep it going for most of the year.
Coleus needs warm soil to thrive, so timing matters by region. The reliable approach is to sow seed indoors or under cover in late winter (January–February) at about 21–24°C, then transplant outdoors once the nights have warmed in March. Start seed roughly 8 weeks before your intended outdoor planting date.
Coleus seeds need light to germinate, so surface-sow them on a moist growing medium and only lightly cover with vermiculite — never bury them. Keep the medium at about 21–24°C and seeds will sprout in roughly 10–20 days. After germination, grow the seedlings on a little cooler, around 18–21°C. Seedlings are usually ready to transplant in about 6–8 weeks.
Transplant outdoors only after all frost danger has passed and the soil has warmed (above about 16°C). Space plants around 30 cm apart, depending on the variety; good spacing also improves airflow and helps prevent downy mildew.
For light, most coleus do best in part shade or dappled light. Classic varieties bleach and lose colour in full sun, while newer sun-tolerant cultivars can handle full sun if kept moist — useful to know under Egypt's strong light.
To push lush foliage, apply a balanced granular fertilizer at planting and then feed monthly through the growing season. If you prefer a soluble feed, use an all-purpose formula such as 24-8-16 or 17-4-17. Avoid high-phosphorus "bloom" fertilizers — they encourage flowering and make plants leggy, which is the opposite of what you want from a foliage plant.
Never let coleus dry out. Water thoroughly at planting and keep the root ball moist (but not soggy) for the first 7–10 days. After that, water when the top 2.5 cm of soil is dry in containers, or the top 2.5–5 cm in beds. Container plants in Egypt's heat may need daily watering, so ensure good drainage. Use a soaker or drip line where possible to avoid wetting the leaves, which helps prevent downy mildew, stem rot and root rot.
Pinch young plants often to encourage bushy growth: when a plant reaches about 15 cm tall, clip off the top 5 cm just above a leaf node. Watch for mealybugs, aphids, whiteflies and spider mites, and keep airflow good to discourage disease.
Coleus is grown for its foliage, so there is no fruit to harvest — the reward is colourful leaves all season. Later in the year, small blue-to-white flower spikes appear. Pinch these flower spikes off as soon as you see them: this prevents seed set and the decline that follows flowering, keeping the plant vigorous, bushy and richly coloured for longer.
To get vivid, reliable colour, start with quality seed. At tna W rna you can choose the imported, multi-coloured F1 mix with our imported F1 multi-coloured Coleus carpet seeds, which give a striking range of leaf shades. If you want to fill more space or experiment with patterns, the Coleus (carpet plant) seeds are a great value option. Pick the pack that suits your beds or containers, follow the steps above, and you'll have a carpet of colour through the warm months.
Jun 11, 2026 by Anas Heaba
Jun 11, 2026 by Anas Heaba
