Lisianthus Cessna Blue coated seeds - Eustoma russelianu

How to sow pelleted seeds of Lisianthus F1 Cessna Blue III: 
Under bright, heated cover: January to March for summer flowering (allow 12–15 weeks before planting out). Sowing is possible from December for well-equipped amateurs. Professionals under heated glass: October–November to advance the season.
In very mild climates, a sowing in August–September can be attempted under protection for early spring planting.

Sow on the surface, without covering, in a fine, sterile seed compost (pH 6.3–6.8) kept uniformly moist but never waterlogged; seeds need light to germinate. Ideal temperatures: 20–22°C until emergence (10–20 days), under a lid or film to retain moisture, then 18–20°C with good air circulation and 14–16 hours of light.

Water by capillary action, provide a gentle feed (low-strength complete fertiliser) and prick out into plug plants when seedlings have 2–3 true leaves, handling the root ball without breaking roots. Harden them off over 10–14 days (gradually more light and air) before planting out after all risk of frost.
In open ground, choose a spot in full sun with well-drained, fertile soil, cultivated deeply; plant at 15–20 cm spacing, mulch to retain moisture, install support netting if the site is exposed to wind, and water regularly at first, then less frequently once roots are established. Maintain steady growth with light applications of potassium-rich fertiliser (avoid excess ammoniacal nitrogen), monitor air circulation to limit Botrytis and damping off, and act quickly against aphids and thrips.
In containers, use a container at least 25–30 cm with drainage holes, filled with an aerated substrate (quality potting compost + 20–30% perlite or grit); water when the top 2 cm feels dry, allow to drain, and fertilise every 2–3 weeks at a light dose or with a slow-release fertiliser. Pinching out is not essential for cut flowers (it delays flowering), but can be attempted very early (at 4–6 leaf pairs) on pot-grown plants to encourage some decorative branching.

Growing temperatures after planting: 16–18°C at night and 18–24°C during the day; avoid excessive heat and watering on the flowers.
For harvesting, gather when the first flower is open, or the buds are well coloured; remove lower leaves, recut stems and place them quickly into clean water: vase life is excellent if the plant has grown without water stress.