African Marigold ‘Sierra Orange’ – Bold Colour, Big Impact!

‘Sierra Orange’ is a vigorous African marigold with large, fully double pompon flowers 8–12 cm (3–5 in) carried on sturdy stems. Plants branch freely to produce many blooms per plant, creating a bold carpet of glowing orange in borders, mass plantings and large patio containers. Long flowering, heat-loving, and ideal for fresh bouquets.

What Makes It Special

• Brilliant deep-orange blooms up to 10 cm wide

• Tall, robust plants with long flowering season

• Thrives in heat and sun with minimal care

• Excellent for cutting and floral displays

• Naturally deters garden pests when companion planted

Key Features

• Showy colour: saturated, uniform orange pompon heads

• High flower count: freely branching habit = loads of blooms all season

• Tall & sturdy: plants typically 50–80 cm (20–32 in) with strong stems

• Long season: flowers VI–X (June–October) with deadheading

• Versatile: bedding, edging, cut flowers, pollinator-friendly

Ideal For

• Borders & Background Planting – Adds height and vibrant colour layers

• Cut Flower Gardens – Brilliant addition to summer arrangements

• Vegetable Gardens – Works as a natural pest deterrent

• Seasonal Displays – Perfect for summer to autumn transitions

How to sow & grow

• Under cover: III–IV (March–April)
• Direct outdoors (after last frost): V (May)
• Season: Annual
• Height: 50–80 cm (20–32 in)
• Flower size: 8–12 cm (3–5 in), fully double
• Bloom Season: VI–X (June–October)
• Bloom Colour: Deep, uniform orange (fully double pompon heads)
• Environment: Full sun; warm, sheltered from strong wind
• Soil Type: Well-drained, moderately fertile; avoid excessive nitrogen
• Germ temperature: 18–22 °C (64–72 °F)
• Average Germ Time: 7–14 days
• Light Required (for germination): Not required (light optional)
• Depth: 0.5 cm (¼ in)
• Moisture: Keep evenly moist, never waterlogged
• Plant Spacing: 30–40 cm (12–16 in)