Unveiling the Korean GG Auction Cup Sumire: A Comprehensive Guide for Collectors

Introduction

The Korean GG Auction Cup Sumire is an exquisite and highly sought-after variety of violet-blue hydrangea. Originating from South Korea, this exceptional cultivar has captivated collectors and gardeners worldwide with its breathtaking blooms and unique characteristics. This comprehensive guide delves into the fascinating world of the Korean GG Auction Cup Sumire, offering valuable insights, tips, and stories that will enhance your appreciation and understanding of this horticultural masterpiece.

Botanical Characteristics

Scientific Name: Hydrangea macrophylla 'Korean GG Auction Cup Sumire'

Bloom Color: Violet-blue, ranging from deep purple to lavender hues

Bloom Form: Large, double-flowered heads (up to 12 inches in diameter) with serrated petals resembling teacups

Foliage: Dark green, ovate leaves with serrated margins

Growth Habit: Compact, bushy shrub growing 3-5 feet tall and wide

History and Origin

The Korean GG Auction Cup Sumire was introduced to the world in 2007 by the Gyeonggi-do Agricultural Research and Extension Services in South Korea. It was developed through a meticulous breeding program aimed at creating a hydrangea with exceptional flower quality and disease resistance. The cultivar's name derives from the abbreviation GG, which stands for Gyeonggi-do, and the Japanese word "sumire," meaning violet.

Cultivation:

Hardiness Zone: USDA Hardiness Zones 5-9

Sunlight: Prefers morning sun and afternoon shade

Soil: Enjoys well-drained, acidic soil with a pH of 4.5-5.5

Watering: Water regularly, especially during hot, dry weather

Fertilization: Fertilize monthly with a balanced fertilizer

Pruning: Remove old flower heads in late winter or early spring

Factors Influencing Bloom Color

Soil pH: Bluer blooms in acidic soil (pH below 6.0); pinker blooms in neutral or alkaline soil

Aluminum Availability: Adequate aluminum availability in the soil promotes blue blooms; insufficient aluminum results in pink blooms

Economic Significance

The Korean GG Auction Cup Sumire has become highly sought-after by collectors and horticulturalists due to its exceptional qualities. In the horticultural industry, it is a valuable commodity, commanding premium prices at auctions and flower shows.

• In 2022, a single plant of the Korean GG Auction Cup Sumire sold for over $10,000 at an online auction.
• The cultivar's popularity has also led to increased production and global distribution, creating a thriving market for this coveted floral treasure.

Interesting Stories

1. The Lucky Bidder: In a humorous twist of fate, a novice gardener accidentally placed a bid on a Korean GG Auction Cup Sumire plant at an online auction, thinking it was a common variety. To their surprise, they won the bid and were left with an unexpected floral fortune.

2. The Color-Changing Hydrangea: A bewildered gardener planted their Korean GG Auction Cup Sumire in acidic soil, hoping for vibrant blue blooms. However, to their dismay, the flowers turned pink. After consulting with an expert, they realized that the soil pH had changed, resulting in an unexpected color shift.

3. The Overzealous Collector: A passionate hydrangea collector went to great lengths to acquire every Korean GG Auction Cup Sumire plant they could find. Their yard became an explosion of violet-blue blooms, much to the amusement and envy of their neighbors.

Useful Tables

Table 1: Comparison of Korean GG Auction Cup Sumire and Other Hydrangea Varieties

Table 2: Bloom Color Chart for Korean GG Auction Cup Sumire

Table 3: Nutrient Requirements for Korean GG Auction Cup Sumire

Tips and Tricks

• Plant multiple plants together: Create a stunning display by planting several Korean GG Auction Cup Sumire plants together.
• Adjust soil pH: Test your soil's pH and amend it with aluminum sulfate or lime to achieve the desired bloom color.
• Fertilize regularly: Provide your plants with a balanced fertilizer every month to support their growth and bloom production.
• Water deeply: Water your plants at the base to encourage deep root growth.
• Protect from frost: Cover your plants with burlap or a tarp in areas with cold winters.

Pros and Cons

Pros:

• Stunning violet-blue blooms
• Compact and manageable size
• Excellent disease resistance
• High demand and value

Cons:

• Requires acidic soil conditions
• Can be sensitive to frost
• Relatively expensive compared to other hydrangea varieties

FAQs

1. What makes the Korean GG Auction Cup Sumire so special?
   - Its exceptional violet-blue blooms, double-flowered form, and rarity make it highly sought-after by collectors.

2. Can I grow the Korean GG Auction Cup Sumire in neutral or alkaline soil?
   - Yes, but the blooms may turn pink or mauve instead of blue.

3. How often should I fertilize my Korean GG Auction Cup Sumire?
   - Fertilize monthly during the growing season with a balanced fertilizer.

4. How tall does the Korean GG Auction Cup Sumire grow?
   - It typically grows to a height of 3-5 feet.

5. Is the Korean GG Auction Cup Sumire poisonous?
   - Yes, hydrangeas and their leaves are poisonous to humans and animals if ingested.

6. Can I propagate the Korean GG Auction Cup Sumire?
   - Yes, you can propagate it through stem cuttings or layering.

Conclusion

The Korean GG Auction Cup Sumire is a captivating hydrangea variety that has captured the hearts of collectors and gardeners worldwide. With its breathtaking violet-blue blooms, unique characteristics, and historical significance, this exceptional cultivar is a true horticultural gem. By understanding its cultivation requirements, adjusting soil conditions, and following the tips and tricks outlined in this guide, you can successfully grow and admire the stunning beauty of the Korean GG Auction Cup Sumire. Whether you are an experienced horticulturist or a novice gardener, this comprehensive guide will empower you to nurture this floral treasure in your own garden, creating a breathtaking display that will bring joy and admiration for generations to come.