Unwins Foxglove Seeds 'Excelsior Mix' - 3000 Seeds

These tall biennials have spectacular flower spikes with bell-shaped white, pink, cream or purple ...

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This guide is for gardeners seeking to add spectacular, bee-friendly blooms to their landscape. The Unwins Foxglove Seeds 'Excelsior Mix' provide tall, spiraling flower spikes in a mix of white, pink, cream, and purple, perfect for early summer color. While they self-seed readily, ensuring future blooms, they require biennial planting for consistent flowering.

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Model Part Number30210083
BrandUnwins

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FAQs

Are foxgloves toxic?

Yes, all parts of the foxglove plant are toxic if ingested. Exercise caution when planting in areas accessible to children or pets.

How tall do these foxgloves grow?

The 'Excelsior Mix' varieties typically grow to be 3-5 feet (90-150 cm) tall, depending on growing conditions.

When is the best time to sow foxglove seeds?

You can sow seeds indoors from late winter to early spring, or directly outdoors in late spring or early autumn for overwintering.

Do I need to replant them every year?

Foxgloves are biennials, meaning they grow leaves in the first year and flower in the second year. They often self-seed, so new plants will appear, but you may need to plant new seeds or transplant seedlings if you want consistent blooms every year.

Can I grow foxgloves in full sun?

Foxgloves prefer partial shade, but can tolerate full sun if the soil is kept consistently moist. Full sun without adequate moisture can lead to stress and reduced flowering.

How far apart should I plant foxgloves?

Space foxglove plants about 30-45 cm (12-18 inches) apart to allow for good air circulation and growth.

Are these seeds suitable for container gardening?

While possible, foxgloves thrive best in the ground where their roots have more space. If planting in containers, ensure they are large, deep, and provide consistent moisture.

Troubleshooting

Seeds not germinating

Ensure seeds are fresh, kept consistently moist, and at the correct temperature (15-20°C). Try a second sowing if the first fails.

Seedlings are weak or leggy

Provide adequate light and ensure they are not overcrowded. Harden off seedlings gradually before transplanting outdoors.

Plants are not flowering

Remember foxgloves are biennials; they flower in their second year. Ensure plants received adequate overwintering and are not stressed by drought or poor soil.

Powdery mildew on leaves

Improve air circulation by spacing plants adequately. Water the base of the plant, avoiding wetting the foliage. Remove affected leaves and destroy them.

Pros and Cons

Pros

  • Creates stunning visual impact with tall flower spikes.
  • Supports pollinator populations, especially bees.
  • Provides a beautiful mix of colors for varied garden aesthetics.
  • Excellent for cutting and bringing indoors.
  • Naturalizes well through self-seeding.

Cons

  • Requires biennial planting for continuous bloom.
  • Can be toxic if ingested, requiring caution around children and pets.
  • May require staking in exposed or windy locations.
  • Prefers partial shade and well-drained soil, limiting placement options.

Setup, Compatibility & Care

Sowing: Sow seeds indoors from late winter to early spring, or sow directly outdoors in late spring or early autumn. Lightly cover seeds with compost. Germination typically takes 14-28 days at a temperature of 15-20°C (60-70°F).

Transplanting: When seedlings are large enough to handle, transplant them into individual pots. Grow on in cooler conditions. Plant out in their final positions in late spring or early autumn, spacing them 30-45cm (12-18 inches) apart.

Site Selection: Foxgloves prefer moist, well-drained soil and partial shade. They can tolerate full sun if the soil remains consistently moist, but may become leggy in deep shade. Avoid waterlogged conditions.

Care: Water regularly, especially during dry periods. Deadhead spent flower stalks to prevent self-seeding if desired, or leave them to allow the plant to re-seed naturally. Biennial plants will flower in their second year. If self-seeding is desired, allow some flower stalks to go to seed. Remove dead foliage in autumn.

Compatibility: Integrates well with shade-loving perennials, ferns, hostas, and other woodland plants. Can be paired with bulbs for sequential blooms.