Many florists haven't changed their pots since they bought gardenias. Gardenia is growing constantly. If the growth is limited by the flowerpot and the nutrition is not fully absorbed, it is impossible to bloom.
Treatment method: change the pot before the flowering period of gardenia. How to change the pot of gardenia is also very simple. It should be noted that gardenia can't change pots if it has buds. Many flower lovers are curious about what pots gardenias are kept in, and pottery pots are the most conducive to growth.
2. Choose the wrong soil
Gardenia prefers slightly acidic soil to saline-alkali soil. The soil with pH value of 6-7 has the best nutrient availability and is most suitable for the growth and development of flowers. Acidic soil will lead to the phenomenon that gardenia only grows leaves without flowering, and even lead to plant death in serious cases.
Treatment: you can make your own soil, and you can change the soil together when changing pots. Huayou can mix 4 parts of humus soil, 4 parts of vegetable garden soil, soybean meal (decomposed) 1 part and river sand 1 part with 0.5 {BF} of black alum or sulfur.
3. Insufficient fertilizer
Many gardenias are also malnourished because of insufficient fertilizer, which leads to the phenomenon that only leaves grow without flowering, and when phosphorus and potassium are lacking, there will also be the phenomenon that flowers do not bloom or buds wither and fall off.
Treatment: Gardenia can be fertilized in the growth period and early stage, because the flowers are lush, so it is necessary to replenish fertilizer reasonably. Apply decomposed human excrement or cake fertilizer once every 10 day, stop watering 1 day before fertilization, and water 1 time at the same time on the day of fertilization.
4. No pruning
Gardenia flowers are not trimmed and reshaped for a long time, and the branches are messy, which not only affects the appearance, but also consumes a lot of nutrients because of many unnecessary branches, which affects the formation of flower buds, and is also one of the reasons for not flowering or flowering less.
Treatment: Gardenia needs proper pruning of residual branches and old branches in the growth process, which is beneficial to the better growth of Gardenia. Before, we also introduced how gardenia should be pruned scientifically, and suggested that inexperienced flower friends can learn from it.
2. Matters needing attention in gardenia cultivation
1, frequent water.
When the soil surface is dry, water it, and spray water on the leaves with a watering can at night. It grows too vigorously, and the internodes are long. Don't water it at night, and then water it when the sun comes out in the morning.
2, diligent fertilization
3 {BF} decomposed cake fertilizer can be added to the culture soil as base fertilizer. During the growth period, the cake fertilizer and alum fertilizer water prepared by retting ferrous sulfate are poured once a week, and 0. 1 ~ 0 {BF} potassium dihydrogen phosphate aqueous solution is poured twice in the bud period, and the fertilizer is stopped when the temperature is above 35℃ in summer and below 15℃ in autumn. Gardenia fertilization is a good suggestion. Flower friends can learn about it.
3. I like humidity and sunshine.
Gardenia likes light and can grow in the shade for a long time, but it needs to keep 60 {BF} light all day to meet the growth needs.