Amaranthus Caudatus Fat Spike - 100 Seeds

Amaranthus Caudatus Fat Spike is a sun-loving border plant that produces bushy flower spikes in a ...

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This guide is for gardeners looking to cultivate the vibrant Amaranthus Caudatus Fat Spike, also known as the tassel flower. This variety offers striking deep burgundy/purple flower spikes, edible leaves, and attracts pollinators. Keep in mind that this is a half-hardy annual, so it requires care to protect from frost.

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Model Part Number26202
BrandThompson & Morgan

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FAQs

When is the best time to sow Amaranthus Caudatus Fat Spike seeds?

Sow seeds indoors in February to March.

How much space should I leave between plants?

Space plants 30cm (12in) apart.

How long does it take for the plants to flower?

They typically flower from June to October.

Can I eat the leaves?

Yes, the leaves are edible and can be eaten like spinach.

What type of soil does Amaranthus Caudatus Fat Spike need?

Plant in ordinary, well-drained soil.

How much sun does the plant need?

It requires full sun.

How tall does the plant grow?

The plant can reach up to 120cm (47.2in) in height.

Troubleshooting

Seeds not germinating

Ensure the soil is moist, not waterlogged. Check the temperature and light conditions. Ensure you are not excluding light.

Seedlings are leggy

Provide more light, either by moving the plants to a sunnier location or using grow lights.

Plant not flowering

Ensure the plant is receiving adequate sunlight. Check the soil for nutrient deficiencies.

Pros and Cons

Pros

  • Vibrant and unique flower color.
  • Edible leaves for culinary use.
  • Long flowering season.
  • Attracts pollinators, promoting a healthy garden ecosystem.
  • Relatively easy to grow from seeds.
  • Adds height and texture to garden borders.

Cons

  • Requires full sun exposure.
  • Half-hardy annual, sensitive to frost.
  • Germination can take up to 15 days.
  • May require regular watering during dry periods.
  • Seeds are small and may require careful handling.

Setup, Compatibility & Care

  1. Sowing Seeds: Sow seeds in February to March in pots or trays using moist seed compost. Cover lightly with compost or vermiculite.
  2. Germination: Maintain a temperature of 20-25°C (68-77°F) during germination, typically taking 3-15 days. Avoid excluding light.
  3. Transplanting: Once seedlings are large enough to handle, transplant them into individual 7.5cm (3in) pots or trays.
  4. Acclimatization: Gradually acclimatize the seedlings to outdoor conditions for 10-15 days before planting.
  5. Planting Out: Plant outdoors after all risk of frost has passed, spacing plants 30cm (12in) apart.
  6. Soil: Plant in ordinary, well-drained soil in full sun. Ensure soil is not waterlogged.