Petunia S/Cascade Mix Seeds

Petunia S/Cascade Mix Seeds produce large single grandiflora flowers on a mounded, upright plant for sunny pots and beds. This is Supercascade, not a true trailing or spreading Wave type.

Grow Guide: How to grow Petunia S/Cascade Mix from seed in South Africa.

Quick Grow Facts

• Plant Type: F1 single grandiflora petunia, grown as a frost-tender annual
• Scientific Name: Petunia × hybrida, Supercascade series
• Seed Form: Pelleted seed; sow one pellet per cell
• South African Sowing Time: Start protected trays about 8–10 weeks before safe planting-out weather; use the regional guide for local timing
• Position: Full sun; light afternoon relief only during severe heat
• Sow Method: Surface-sow on pre-moistened fine mix, press into contact and do not cover; bright light supports home germination
• Pretreatment: None; mist thoroughly so the pellet coating softens
• Germination: Usually 7–10 days at 22–25°C; controlled breeder trays may be faster
• Spacing: 25–36 cm
• Growth Form: Mounded and upright; not a true trailing or spreading series
• Height: 25–38 cm
• Spread: 25–30 cm
• Flowering: Usually about 10–14 weeks from sowing in well-managed home conditions
• Current Packet Options: 50 pelleted seed, 500 pelleted seed, 5000 pelleted seed

Why Grow This Variety

• Large single grandiflora flowers create strong colour in sunny displays.
• The exact Supercascade series has a mounded, upright growth form.
• Pelleted seed supports accurate one-seed-per-cell tray sowing.
• Plants suit patio pots, window boxes and border fronts.

Garden Uses

Use Petunia S/Cascade Mix Seeds in sunny patio pots, window boxes and border fronts where its mounded, upright grandiflora growth form and large flowers can be displayed without crowding.

Growing Notes

• Use clean, fine, freely drained seedling mix. Surface-sow and mist the pellet until its coating softens; never bury it.
• Keep the surface evenly moist and humid only until emergence, then provide bright light and airflow.
• Move seedlings at about three true leaves and harden them gradually for 7–10 days before planting outside.
• Plant at the exact spacing above in fertile, freely drained soil and water at the root.
• Use pots or beds with airflow and shelter the large grandiflora flowers from repeated hard rain.

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