Matthiola 
Flora Frost Matthiola incana 'Centum White'
| Flower type | Double (pleniflorous) |
| Leaf margin | Entire |
| Flower scent | Normal; Unscented |
| Leaf type | Foliage leaf |
| Flower color | White-white-155D |
| soil pH requirement | Neutral (pH 6,5 - 7,5); Alkaline (pH > 7,5) |
| Light conditions | Sunny |
| Leaf division | Simple |
| Plant, growth type | Erect |
| Moisture requirements | Well-drained |
Matthiola incana, commonly known as stock or gilliflower, is a popular flowering plant that is often seen in gardens. One particularly attractive variety of this plant is the 'Centum White' stock. With its double (pleniflorous) flowers, this variety adds a lot of beauty to any garden.
The leaves of the 'Centum White' stock have entire margins and are of the foliage leaf type. They have a simple division, meaning that they are not deeply lobed or divided. This gives the plant a neat and compact appearance.
The flowers of the 'Centum White' stock are a delightful white color. In fact, the color is classified as white-white, with the shade being 155D according to the Royal Horticultural Society's color chart. This pure white color is sure to catch the eye and brighten up any garden.
One notable feature of the 'Centum White' stock is its scent, or rather its lack thereof. While many varieties of stock are known for their pleasant fragrance, the 'Centum White' is classified as having a normal unscented flower scent. This makes it a great option for those who may be sensitive to strong floral scents.
In terms of its growth, the 'Centum White' stock is an erect plant. It grows upright and reaches a moderate height, making it a suitable choice for flower beds and borders. It prefers well-drained soil that is neutral to slightly alkaline, with a pH range of 6.5 to 7.5. It also thrives in sunny conditions, so be sure to provide it with plenty of sunlight for optimal growth.
In terms of moisture requirements, the 'Centum White' stock prefers well-drained soil. It does not tolerate waterlogged conditions, so be careful not to overwater. It's best to water the plant when the top layer of soil feels dry to the touch.
Overall, the 'Centum White' stock is a beautiful and versatile plant that brings elegance to any garden. Its white double flowers, along with the neat foliage and erect growth habit, make it a popular choice among gardeners. Whether planted in flower beds, borders, or containers, this variety of Matthiola incana is sure to impress with its mesmerizing beauty.
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