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Every week our social media team reaches a few hundred questions about our favorite hobby: the garden. Most of them are quite easy to answer for the editorial team of MEIN, but some also require some research effort to be able to provide the right answer. At the beginning of each new week we put together for you our ten Facebook questions of the past week. The themes are mixed - from the lawn over the vegetable patch to the balcony box.
The top questions of the calendar week 26
1. Do you always have to take off the faded daylily flowers or wait until the whole stem has withered?
Daylilies are very easy to care for and are cut back, if at all, only for visual reasons. For individual plants, once a week, you can pluck or read off the dead flowers by hand if they disturb too much. The entire flower stalk should only be cut back if no closed flower buds are left.
2. I am not satisfied with my strawberries this year. I planted them in the fall and hacked some blue fertilizer in the spring. They do not have many green berries but a lot of foliage with long stems. The soil is very loose. What do you suggest?
Nitrogen-based mineral fertilizers such as the well-known blue grain act very fast and promote leaf formation. Too much of it is at the expense of the flower approach. That could be the case with your strawberries. Unfortunately, not much can be done there now, but in the coming spring you should rather supply the plants with an organic berry fertilizer instead of blue grain. Interesting facts about the culture of the popular fruits can be found on our topic page Strawberries.
A nitrogen-rich fertilizer inhibits the fruiting of strawberries
3. How many rambler roses can I put on 220 square meters?
Rambler roses are no ground cover roses and are therefore not used flat, but for greening vertical elements. Ramblers can be placed on tall trees, pergolas or jungle gyms as they need something to hold on to. For your garden size offers a combination of different groups of roses. The strong-growing Ramblerrosen you should use depending on the design of the garden but rather sparingly. On the rose breeder sides of Kordes, Tantau and Schultheis you will find a large selection of suitable roses.
Rambler roses are good for climbing frames
4. I have planted tomatoes but not a single flower. Does anyone have advice for me?
From a distance, it is almost impossible to judge what went wrong without further information. Maybe the soil is too nitrogen-containing, then the power goes into the vegetative growth and not into the flowering. It's best to use a tomato fertilizer. It also contains potassium, phosphorus and magnesium for a balanced nutrient supply. First you should not fertilize your tomatoes until the first flower buds show up. In general, the flowering is not complete, but only delayed.
5. At the moment there are many lilacs in the garden (still closed in green caps) on the plants. Can I collect them and multiply the lilac? How should I proceed?
Lilac (Syringa vulgaris) can be propagated by sowing the now formed seeds in the cold frame. But that is quite tedious and tedious. Since they are cold germs, the seeds must be stratified (for a few weeks, cold influence, for example in the refrigerator). Easier is the propagation through Wurzelausläufer or by sinkers in early summer. This saves a few years until the shrubs have a size and start to bloom.
Lilac can be well propagated by foothills and sinkers
6. My Thuja hedge is full of brown spots for the first time this year. What is wrong with her?
Brown spots may indicate dryness or illness. Most leaf and shoot diseases cause no major damage to the Thuja, if they are detected in time and consistently fought. You should cut back brown spots as much as possible, but not to the old wood! If it is a fungal infection, which is most likely, the plants must then be treated with fungicides every two weeks.
7. My cucumber plants in the greenhouse have definitely 100 flowers but no Fruchtansatz. What is the cause? I bought seeds, even extra hybrid seeds because of the lower susceptibility to disease. The flowers apparently have no stamens, but only a stamp. What went wrong?
It may be that it is due to the high humidity.The pollen are stuck in the flowers and if there are no insects to pollinate - due to the cool, wet weather - you can help a little bit. The best way to fertilize the flowers with each other across a brush - that should work. And the regular airing of the greenhouse is very important, because cucumber plants are quite susceptible to mildew in high humidity.
Cucumbers in the greenhouse need a lot of fresh air
8. A few days ago I noticed red spots in the lawn. These are small areas of red discolored blades of grass. What could that be? Is the lawn missing something?
This sounds like the Rotspitzigkeit (Laetisaria fuciformis), a widespread fungal disease. Especially with high humidity and frequent rainfall, it can spread very quickly. Although the disease is considered an indicator of nutrient and in particular nitrogen deficiency, a strong infection can take place in appropriate weather despite balanced fertilization. Treatment of the disease with fungicides is not allowed on the lawns in the home garden, but usually not necessary. When it gets drier, the disease disappears by itself.
9. What can you do with Cola herb?
Cola herb (Artemisia) tastes rather bitter and bitter. It is therefore particularly suitable for seasoning hearty food, but should then be used rather sparingly.
10. Can you share the record sheet?
In general, you can multiply the record sheet (Rodgersia) well by division, but you should wait a few years, because the plant grows very slowly. A regular rejuvenation of the elegant shade trees is not necessary because they are naturally very durable and not prone to Vergment. The ideal period for splitting the perennial is late summer.