Sunflower Pikes Peak 1 Seed Packet - Thompson & Morgan
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Full details
This guide is for gardeners seeking a substantial, low-maintenance sunflower variety that thrives in exposed locations. The Pike's Peak sunflower offers large, golden blooms and giant seeds, with a key benefit of its sturdy stem negating the need for staking. A potential caveat is its significant mature height, which might be a consideration for very small gardens. It's an easy-to-grow plant, perfect for attracting wildlife and a hit with children.
All features
| Model Part Number | 133157 |
|---|---|
| Brand | Thompson & Morgan |
Extended Product Information
FAQs
How tall do Pike's Peak sunflowers grow?
Pike's Peak sunflowers typically reach a height of approximately 4.6 meters (15 feet).
Do I need to stake these sunflowers?
No, Pike's Peak sunflowers have a sturdy, robust stem that generally negates the need for staking, making them suitable for exposed locations.
When do Pike's Peak sunflowers bloom?
They bloom from July through to September, providing colour throughout the summer months.
Are the seeds edible for humans?
The product description highlights that the giant seeds are a delight for birds. While sunflower seeds are generally edible, specific information on human consumption suitability for this variety is not provided.
Can I grow these in containers?
Yes, they can be grown in large containers, but ensure the container is deep enough to accommodate their root system and substantial height. Consistent watering will be crucial.
What is the best time to sow the seeds?
For direct sowing outdoors, wait until the soil is warm and all danger of frost has passed. For earlier flowering, start seeds indoors from late February to March.
How far apart should I plant them?
After germination and thinning, plants should be spaced approximately 30cm (12 inches) apart.
Troubleshooting
Seeds are not germinating
Ensure soil is warm enough (ideally above 15°C), consistently moist, and seeds are planted at the correct depth (1.3cm / ½"). Check for adequate sunlight. If starting indoors, ensure consistent warmth.
Seedlings are weak or leggy
This can be due to insufficient light. Move seedlings to a sunnier spot or provide supplemental grow lights if indoors. Ensure proper thinning to give each plant enough space.
Flowers are small or sparse
Ensure the plant is receiving full sun for at least 6-8 hours a day. Avoid over-fertilizing with nitrogen, which can promote leaf growth over blooms. Consistent watering is also key.
Birds eating seeds before they mature
While beneficial, if you wish to harvest seeds yourself or protect developing seeds, consider covering the flower heads with fine netting or paper bags once the petals have fallen but before the seeds are fully dry and accessible.
Pros and Cons
Pros
- Requires no staking due to its strong stem.
- Produces large, attractive golden flowers.
- Provides food for birds with its giant seeds.
- Easy to grow from seed, suitable for beginners.
- Adds vibrant colour to the garden from mid-summer to early autumn.
Cons
- Reaches a significant height of 4.6m (15'), requiring ample space.
- Seeds require thinning, which needs careful attention.
- Best sown directly into warm soil or started indoors well in advance of the last frost.
- Can be susceptible to common garden pests if not monitored.
Setup, Compatibility & Care
Sowing Seeds Outdoors:
- Choose a sunny location with well-drained soil.
- Ensure the soil is finely raked, moist, warm, and free from weeds.
- Sow seeds thinly, burying them about 1.3cm (½") deep.
- Water gently after sowing.
- Once seedlings emerge (typically 10-15 days), thin them to a final spacing of 30cm (12").
Starting Seeds Indoors:
- Sow seeds indoors in late February or March.
- Use small pots (9cm / 3.5") filled with seed compost.
- Bury seeds 1.3cm (½") deep and water.
- Keep in a warm place for germination.
- Once seedlings have developed, gradually acclimatize them to outdoor conditions before planting them out after the risk of frost has passed.
Compatibility:
Pike's Peak sunflowers are compatible with most garden soils, provided they are well-drained. They thrive in full sun. They can be grown in borders, large containers (ensure adequate depth), or directly in open ground. They are a good companion plant for many vegetables and flowers.
Care:
- Watering: Water regularly, especially during dry spells, ensuring the soil remains consistently moist but not waterlogged.
- Weeding: Keep the area around young plants free from weeds to prevent competition for nutrients and water.
- Support: No staking is generally required due to the strong stem.
- Feeding: Generally, no additional feeding is necessary if planted in reasonably fertile soil. Over-fertilizing can lead to excessive leaf growth at the expense of flowers.