Antirrhinum Seeds 'Giant Rust Resistant' - Unwins
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This guide is for gardeners seeking classic, colorful floral displays with enhanced disease resistance. The Unwins Antirrhinum 'Giant Rust Resistant' seeds offer impressive, large blooms in a variety of colors, bred to combat the common issue of rust. While they provide a beautiful and resilient garden addition, they are half-hardy annuals, requiring specific planting conditions to thrive.
All features
| Model Part Number | Antirrhinum Giant Rust Resistant |
|---|---|
| Brand | Unwins |
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FAQs
When is the best time to sow these seeds?
Sow indoors 6-8 weeks before the last frost, or directly outdoors after the last frost has passed and the soil has warmed.
How tall do the 'Giant Rust Resistant' snapdragons grow?
The 'Giant' varieties typically grow to be quite tall, often reaching heights of 60-90 cm (2-3 feet) or more, depending on growing conditions.
What is considered 'rust' in snapdragons?
Rust is a fungal disease that appears as small, orange-red or brown pustules on the leaves and stems, weakening the plant.
Can I grow these in pots?
Yes, they can be grown in pots, provided the containers are large enough and have good drainage. Ensure they receive adequate sunlight and water.
Do I need to deadhead the flowers?
Deadheading spent blooms encourages the plant to produce more flowers throughout the season, extending the display.
Are these suitable for cut flowers?
Yes, the giant blooms make them excellent for cutting and bringing indoors for arrangements.
Troubleshooting
Seeds not germinating
Ensure seeds are fresh, kept at the correct temperature (15-20°C), and have adequate moisture without being waterlogged. Avoid covering seeds too deeply.
Leggy seedlings
Seedlings may need more light. Ensure they are placed in a bright location and consider a cooler temperature after germination to prevent excessive stretching.
Plants wilting
Check soil moisture. Both overwatering and underwatering can cause wilting. Ensure good drainage and water consistently.
Rust symptoms appear despite resistance
While bred for resistance, severe conditions or other stressors can sometimes lead to minor rust issues. Remove affected leaves promptly and ensure good air circulation around plants.
Pros and Cons
Pros
- Produces large, eye-catching flowers.
- Enhanced resistance to rust disease.
- Offers a wide variety of colors for diverse garden designs.
- A reliable and classic choice for gardeners.
Cons
- Requires specific planting conditions as it's a half-hardy annual.
- May require protection in cooler climates.
- Seeds need careful germination and transplanting.
Setup, Compatibility & Care
These are half-hardy annual seeds. Start them indoors in seed trays filled with a sterile seed compost, ideally 6-8 weeks before the last expected frost. Sow seeds on the surface and lightly cover. Maintain a temperature of 15-20°C (60-70°F) for germination, which typically takes 10-20 days. Once seedlings have developed a few true leaves and the risk of frost has passed, they can be transplanted into well-drained soil in a sunny or partially shaded location. Space plants about 20-30 cm (8-12 inches) apart. Water regularly, especially during dry periods, and deadhead spent flowers to encourage further blooming. They are compatible with most garden soils but prefer a location with good air circulation.