What to do if the rose seedlings are weak?
Today, I will elaborate on the topic of rose cultivation related to weak rose seedlings for netizens. The details are as follows:
Recently, many friends who bought seedlings have said: they have previously grown several rose plants, but they either withered or grew half-alive, hoping to grow the rose seedlings bought here well. In fact, there are reasons why your rose seedlings are getting weaker. If you can follow the original three-step theory of rose cultivation to select and grow seedlings, then growing roses will become much simpler.
Reasons for the weakening of rose seedlings
For many novice gardeners, the reason why rose potted plants grow weaker and weaker can be summed up into about 6 common reasons.
1. Over-pruning. This phenomenon often occurs in roses infected with diseases and pests. Many gardeners will trim the leaves off if they see black spots or spider mites on the rose leaves, thinking that this can prevent further occurrence of diseases and pests.
In fact, during the growing season, the leaves of roses are very important for the growth of rose flowers. Without leaves, roses cannot perform photosynthesis to produce nutrients. Therefore, cutting off the leaves of roses is like destroying the food production plant of rose flowers, and even if new buds grow, they will still be weak.
It is important to protect the leaves of rose flowers during the growing period of roses and avoid heavy pruning, otherwise it will lead to weaker growth of roses.
2. Root rot
Root rot is very common among novice gardeners, especially during the time of new seedling transplantation and when roses just start to sprout, as excessive watering can easily cause闷 root and root rot.
Newly transplanted roses have not yet adapted to the new environment, and their absorption capacity is relatively weak. If excessive watering occurs, the pot soil will not dry for a long time, leading to闷 root and root rot.
When roses just start to sprout, due to the small number of leaves and low evaporation rate, the water consumption is low. Many gardeners think that roses need a lot of water when they start to sprout and tend to overwater, which can easily cause闷 root.
Root rot is extremely harmful to rose flowers and is very difficult to treat. If detected early, it can be saved, but if the branches wither and new buds turn black, it is difficult to save, requiring a lot of time and effort to restore growth.
3. Insufficient pruning
In dormant areas, roses need to be pruned heavily each year, retaining only a few strong buds to allow nutrients to concentrate (G-Y), so that new branches will grow stronger. If you can't bear to prune in winter, leaving too many branches and buds, the numerous new buds in spring will compete for nutrients, causing weak growth and many blind buds.
So pruning is necessary, don't hesitate, otherwise roses will only grow thinner and thinner branches. In southern regions, roses do not hibernate and cannot be pruned heavily. You can use the method of pressing branches to promote the growth of strong roses. You can refer to the detailed introduction in the book "How to Grow Explosive Roses from Scratch" for specific operation methods.
4. Plagued by diseases and pests
Diseases and pests are important factors hindering the healthy growth of roses, especially black spot disease and red spider mites, which can cause devastating damage to rose flowers. Therefore, it is necessary to focus on prevention and active treatment of diseases and pests.
5. Only watering, not fertilizing
I once encountered a gardener whose rose potted plants had many leaves and were healthy, but they didn't bloom. The branches were very thin. Later, I learned that the gardener only watered and didn't fertilize.
Roses grow quickly and often bloom, consuming a lot of water and fertilizer. If roses are not fertilized regularly, they will naturally grow weaker. In addition to applying fermented organic fertilizer, it is also necessary to apply fast-acting liquid fertilizer regularly to ensure vigorous growth and continuous blooming of roses.
6. Lack of sunlight
Sometimes the reason why gardeners' rose seedlings don't grow well is not due to the cultivation method, but because of the lack of sunlight, which is a fatal flaw in rose cultivation. If your growing environment does not have 4 hours of direct sunlight, it's better to pay less attention to roses, as less attention helps resist the urge to buy.
The above shares the full content of how to deal with weak rose seedlings? I hope it can help you, and at the same time, I hope everyone will come to see more green plant and flower experience and knowledge!