Hydrangea 
Flora Frost Hydrangea macrophylla 'Soeur Thérèse'
| Flower type | Single |
| Leaf margin | Serrate |
| Flower color | White; White-white-155D |
| Leaf, general shape | Oval / elliptic |
| Flower diameter | 2,5 - 3 cm |
| Plant height | 80 - 90 cm; 90 - 100 cm; 1,4 - 1,6 m |
| Flowering month(s) | July; August; September |
| Leaf width | 7,5 - 10 cm |
| Leaf duration | Deciduous |
| Leaf size | 10 - 15 cm |
| soil pH requirement | Slightly acidic (pH 4,5 - 6,5); Alkaline (pH > 7,5); Neutral (pH 6,5 - 7,5) |
| Light conditions | Semi-shades; Sunny |
| Plant, growth type | Erect |
| Leaf, main color | Dark green |
| Flower color distribution | Unicolored |
| Moisture requirements | Well-drained; Moist |
Hydrangea macrophylla 'Soeur Thérèse' is a stunning flower that belongs to the genus Hydrangea. This particular variety of Hydrangea is known for its single type of flower, which adds to its unique charm. The leaves of this plant have a serrated margin and are oval or elliptic in shape. The flowers of 'Soeur Thérèse' are predominantly white, with some variations of white-white-155D.
When it comes to size, the flowers of this Hydrangea variety have a diameter of 2.5 to 3 centimeters. The plant itself grows to a height of 80 to 90 centimeters or even up to 1.4 to 1.6 meters in some cases. 'Soeur Thérèse' blooms during the months of July, August, and September, bringing a burst of color and vibrancy to the garden.
The leaves of this Hydrangea variety have a width of 7.5 to 10 centimeters and belong to the deciduous category, meaning they shed leaves during the winter months. The size of the leaves ranges from 10 to 15 centimeters. In terms of soil pH requirements, 'Soeur Thérèse' prefers slightly acidic soil with a pH between 4.5 and 6.5. However, it can also tolerate alkaline soil with a pH higher than 7.5, as well as neutral soil with a pH ranging from 6.5 to 7.5.
Light conditions play a crucial role in the growth and development of this Hydrangea variety. It thrives in semi-shady areas but can also tolerate sunny conditions. The growth type of 'Soeur Thérèse' is erect, meaning the plant grows straight and upright. The main color of the leaves is a lush dark green, which provides an attractive backdrop for the white flowers.
The flower color distribution of 'Soeur Thérèse' is described as unicolored, indicating that the flowers possess a consistent color throughout. This variety of Hydrangea requires well-drained soil, ensuring that excess water does not accumulate around the roots. It also benefits from a moderate level of moisture, allowing it to maintain optimal health.
Hydrangea macrophylla 'Soeur Thérèse' is a versatile plant that adds beauty and elegance to any garden. Its white flowers, serrated leaves, and erect growth type make it a standout among other varieties of Hydrangea. With the right soil conditions, light exposure, and moisture levels, 'Soeur Thérèse' will thrive and bring joy to any gardener or enthusiast who appreciates its splendor.
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