Thompson & Morgan Sunflower Maximiliani - 40 Seeds

Reaching heights of up to 2.5m, perennial sunflower Helianthus maximiliani makes a stunning additi...

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This guide is for gardeners looking to add a striking, late-season bloom to their borders. The Thompson & Morgan Sunflower Maximiliani offers beautiful, chocolate-scented flowers that also benefit local wildlife. Note that these sunflowers require full sun and well-drained soil to thrive.

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Model Part Number26596
BrandThompson & Morgan

Extended Product Information

FAQs

When should I sow the seeds?

Sow seeds from February to April.

How long does it take for the seeds to germinate?

Germination usually takes 7-21 days.

What kind of soil do sunflowers need?

They need moist, well-drained soil.

How much sunlight do sunflowers need?

They need a sunny, sheltered position.

How tall do the sunflowers grow?

They can reach up to 2.5m (8ft) tall.

What is the best way to water the sunflowers?

Water regularly, especially during dry periods, making sure the soil remains moist but not waterlogged.

Can I use the sunflowers as cut flowers?

Yes, the blooms make a wonderful cut flower, and they have a chocolate scent.

Are the sunflowers beneficial to wildlife?

Yes, they provide a late summer food source for birds and butterflies.

Troubleshooting

Seeds not germinating

Ensure seeds are fresh, the temperature is within the recommended range (18-21°C), and the compost is kept moist but not waterlogged. Consider using a propagator or sealing the seed tray.

Plant growth is stunted

Check the soil drainage; sunflowers need well-drained soil. Ensure the plants are getting enough sunlight and are not overcrowded.

Aphids on plants

Companion plant with chives or use an insecticidal soap to control aphids.

Pros and Cons

Pros

  • Provides beautiful, late-season blooms.
  • Attracts birds and butterflies, beneficial for the garden.
  • The flowers have a pleasant chocolate scent.
  • Can be used as cut flowers.
  • Reaches impressive heights, adding visual interest to borders.

Cons

  • Requires full sun for optimal growth.
  • Needs well-drained soil.
  • Can grow very tall, which might require support.
  • Germination can take up to 21 days.

Setup, Compatibility & Care

  1. Sowing Seeds: Sow sunflower seeds individually in 7.5cm (3") pots of good compost from February to April. Place in a propagator at a temperature of 18-21°C (64-70°F) or seal the seed tray inside a polythene bag until after germination.
  2. Germination: Keep the surface of the compost moist but not waterlogged, and do not exclude light. Germination usually takes 7-21 days.
  3. Growing On: After germination, grow sunflower plants in cooler conditions before moving to a cold frame outdoors.
  4. Planting Out: When well-grown and all risk of frost has passed, plant sunflowers at a distance of 60cm (24") apart in a sunny, sheltered position on moist, well-drained soil. Water regularly, especially during dry periods. Companion plant with chives to deter aphids.