Syringa 
Flora Frost Syringa vulgaris 'Andenken an Ludwig Späth' per bunch
| Leaf margin | Entire |
| Flower scent | Strong; Very strong |
| Winter hardness | Excellent (USDA-zone 1,2,3,4) |
| Soil fertility | No poor soils |
| Leaf, general shape | Ovate (egg-shaped) |
| Plant height | 2,5 - 3 m; 4 - 5 m |
| Inflorescence | Panicle |
| Flowering month(s) | May |
| Leaf duration | Deciduous |
| soil pH requirement | Alkaline (pH > 7,5); Neutral (pH 6,5 - 7,5) |
| Light conditions | Sunny |
| Plant, growth type | Erect |
| Leaf, main color | Dark green |
| Toxicity (if consumed) | Not or barely |
The Syringa vulgaris 'Andenken an Ludwig Späth' is a common lilac variety that is known for its beautiful appearance and strong fragrance. It is commonly found in gardens and landscapes, adding a touch of elegance and charm.
One of the notable features of this lilac variety is its excellent winter hardness. It can withstand even the coldest temperatures, making it suitable for USDA zones 1, 2, 3, and 4. This means that it can thrive in regions with harsh winters and still produce vibrant blooms in the spring.
When it comes to soil fertility, the 'Andenken an Ludwig Späth' lilac does not do well in poor soils. It requires nutrient-rich soil to thrive and produce abundant flowers. Therefore, it is essential to ensure that the soil is properly enriched with organic matter and nutrients.
In terms of appearance, the leaves of this lilac variety have an ovate or egg-shaped general shape. They are a dark green color, adding a sense of depth and richness to the overall aesthetics of the plant. The plant itself can reach a height of 2.5 to 3 meters or even 4 to 5 meters, depending on the growing conditions and maintenance.
The 'Andenken an Ludwig Späth' lilac produces inflorescence in the form of panicles. These panicles are composed of numerous small, fragrant flowers that emit a strong, captivating scent. The flowers typically bloom in May, filling the air with a sweet and alluring fragrance.
Like most lilac varieties, the 'Andenken an Ludwig Späth' lilac is deciduous, meaning it sheds its leaves during the winter months. This natural cycle allows the plant to conserve energy and prepare for the following spring's growth.
When it comes to soil pH requirements, this lilac variety prefers alkaline or neutral soil conditions. It thrives best in soil with a pH greater than 7.5 or within the pH range of 6.5 to 7.5. Therefore, gardeners should consider testing the soil pH and making necessary adjustments to maintain optimal growing conditions.
In terms of light conditions, the 'Andenken an Ludwig Späth' lilac prefers sunny locations. It thrives in areas where it receives full sun exposure, allowing it to photosynthesize and produce abundant blooms.
Lastly, it is essential to note that this lilac variety is not toxic if consumed, although it is always recommended to avoid ingesting any part of any plant unless specifically stated otherwise.
Overall, the Syringa vulgaris 'Andenken an Ludwig Späth' lilac is a stunning flowering shrub that offers both beauty and fragrance to any garden or landscape. With its excellent winter hardiness, striking appearance, and captivating scent, it is no wonder why it remains a popular choice among gardeners and plant enthusiasts.
Market availability index by month:
| Jan. | Feb. | Mar. | Apr. | May | Jun. | Jul. | Aug. | Sep. | Oct. | Nov. | Dec. |
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| 1 | 1 | 1 | 1 | 2 | 4 | 4 | 1 | 1 | 1 | 1 | 1 |