Thompson & Morgan Coleus Wizard Mixed - 1 Seed Packet

Coleus 'Wizard Mixed' is a tender perennial that produces colourful textured foliage. This superio...

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This guide is for gardeners looking to cultivate vibrant Coleus 'Wizard Mixed' plants. This product is ideal for those seeking colorful foliage and easy-to-grow plants. A potential caveat is the need to maintain an optimum temperature during the germination phase. The guide covers everything from sowing and transplanting to care and troubleshooting, ensuring successful cultivation of these attractive plants.

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Model Part Number25540
BrandThompson & Morgan

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FAQs

How long does it take for the seeds to germinate?

Germination usually takes 7-21 days.

What kind of light do the seeds need?

Surface sow the seeds and do not exclude light. They need light to germinate.

When should I transplant the seedlings?

Transplant seedlings when they are large enough to handle, typically when they have developed a few sets of true leaves.

How big do the plants get?

Height: Up to 45cm. Spread: Up to 45cm.

What is the best type of compost to use?

Use a good quality seed compost for sowing.

What should I do during the winter?

Provide a temperature of 5-10C (40-50F) through the winter. Reduce watering.

Can I grow these in a pot?

Yes, they are suitable for growing in pots. Ensure the pot has adequate drainage.

Troubleshooting

Seeds not germinating

Ensure the correct temperature (70-75F) is maintained and seeds are not buried too deeply. Make sure the seeds are fresh.

Seedlings are leggy

Provide more light, either natural or artificial, and ensure adequate ventilation.

Plants are wilting

Check the soil moisture level. Water if dry, and ensure the plants are not exposed to extreme heat or cold.

Foliage losing color

Check light exposure; Coleus plants need adequate light to maintain their vibrant colors. Adjust the location to provide more sunlight if necessary.

Pros and Cons

Pros

  • Easy to grow from seed, making it accessible to beginners.
  • Provides vibrant and colorful foliage, adding visual interest to gardens.
  • The mixed selection offers a variety of colors and patterns.
  • Relatively low maintenance once established.

Cons

  • Requires specific temperature conditions (70-75F) for germination.
  • Seeds need light to germinate, requiring surface sowing.
  • Tender perennial, so care is needed in colder climates.
  • Results may vary depending on growing conditions.

Setup, Compatibility & Care

  1. Sowing: Sow seeds in seed trays or pots filled with good seed compost.
  2. Temperature: Maintain an optimum temperature of 70-75F (20-25C) for germination.
  3. Light: Surface sow seeds and do not exclude light.
  4. Transplanting: Transplant seedlings when they are large enough to handle into 7.5cm (3in) pots.
  5. Potting On: Pot on as required into 13cm (5in) and finally 20cm (8in) pots.
  6. Winter Care: Provide a temperature of 5-10C (40-50F) through the winter.
  7. Position: Position plants in sun or semi-shade.
  8. Watering: Water regularly, but avoid overwatering, especially in the winter.