Thompson & Morgan Hollyhock Chaters Double Icicle - 1 Seed Packet (100 Seeds)

Spectacular addition to any perennial or cottage garden borders, the Hollyhock ‘Chater’s Double Ic...

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Product Information

Full details

The Thompson & Morgan Hollyhock ‘Chater’s Double Icicle’ is an ideal choice for gardeners looking to add vertical elegance and classic cottage-style aesthetics to their perennial borders. These seeds produce stunning, crystal-white double blooms that provide continuous color from summer well into autumn; however, gardeners should note that they require careful soil preparation and support due to their significant height of up to 180cm.

All features

Model Part Number25879
BrandThompson & Morgan

Extended Product Information

FAQs

How many seeds come in a packet?

This packet contains 100 seeds.

How tall do these hollyhocks grow?

When fully established, they can reach a height of up to 180cm.

Can I grow these in pots?

While they are primarily meant for garden borders, they can be started in 7.5cm pots for transplanting. Long-term, they require significant root space.

Do I need to cover the seeds when sowing?

Yes, but only with a very fine sprinkling of compost or vermiculite, as the seeds require light to germinate.

What is the best soil type for these plants?

They thrive in fertile, free-draining soil. If your soil is heavy or poorly drained, start them in a greenhouse over winter first.

Troubleshooting

Seeds failing to germinate

Ensure they are receiving enough light and that the temperature stays consistently between 15-20°C.

Plants leaning or falling over

The plants have reached their maximum height and require staking for structural support.

Stunted growth in heavy soil

Hollyhocks prefer free-draining soil. Consider moving the plants to a raised bed or starting them in pots first to improve drainage conditions.

Pros and Cons

Pros

  • Striking, architectural growth habit
  • High-quality seeds with reliable germination potential
  • Perfect for creating focal points in large garden beds
  • Produces classic, elegant white double blooms

Cons

  • Requires staking due to reaching heights of 180cm
  • Not suitable for small containers or indoor gardening
  • Needs free-draining soil to prevent root issues

Setup, Compatibility & Care

  1. Sowing: Surface sow seeds in February–March or September–October onto damp, free-draining compost. Light is essential for germination, so cover only with a very fine layer of compost or vermiculite.
  2. Germination: Keep in a propagator or sealed bag at 15-20°C (59-68°F). Expect seedlings to emerge in 14-21 days.
  3. Transplanting: Move seedlings into 7.5cm (3in) pots once they are large enough to handle. Acclimatise them gradually to outdoor temperatures before planting out after the final risk of frost.
  4. Spacing: Plant at least 45cm (18in) apart to ensure adequate airflow and prevent overcrowding.
  5. Care: Provide full sun exposure. Use staking if the location is windy to protect the tall stems. Maintain soil fertility and keep the area free of weeds.

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