Hydrangea is a flower among network celebrities, and friends who like to raise flowers will raise several kinds of hydrangeas more or less. Its ability to blossom is very strong, which is particularly gratifying.
Why can't we keep hydrangeas at home?
Hydrangea can't be kept at home because there are toxins on the roots and leaves of hydrangea plants. If you accidentally pollute the juice in the bag, your skin will be red and swollen. Especially when there are children and pets at home, you must not keep hydrangeas to avoid poisoning by eating.
Is it good to keep hydrangea feng shui at home?
Why don't you plant hydrangeas at home? Hydrangea is a very auspicious feng shui flower, because its flower language implies pure hope, positive progress and prosperous residence.
How to raise indoor hydrangea
1, lighting
Hydrangea likes warm, humid and semi-cloudy environment. Because hydrangea is a short-day plant, hydrangea should be protected from light for more than 10 hours every day, so that the flowering period will be formed after about 40-50 days. Hydrangea should usually avoid direct sunlight, and it is best to shade 60%-70%.
water
Hydrangea flowerpot soil should be kept moist, because there are more flowers, the more water is needed, but not too much water, otherwise the roots will rot due to waterlogging. If it is winter, the pot soil needs to be kept slightly dry. If it is too wet, the hydrangea leaves will rot.
prune
Hydrangea grows vigorously and is resistant to pruning. Generally, after the seedlings survive and grow to the height of 10- 15 cm, they can be enucleated to germinate the lower axillary buds. When the branch length is 8- 10 cm, the second coring is carried out.
After hydrangea blooms, the old branches should be cut short, and only 2-3 buds should be kept, which can effectively promote the growth of new branches. After autumn, the top of new shoots should be cut off to stop the growth of branches, which is beneficial to overwintering.
4. Soil replacement
Potted hydrangeas generally need to be changed once a year, and the soil should be loose, fertile and well-drained sandy loam. It is advisable to turn over pots and change soil in early March.
When changing soil, you should trim the roots and cut off rotten roots and rotten roots. After the plants are moved to the new pot soil, the pot soil should be compacted first, then the plants should be watered to make them permeable, and then they should be kept in the dark for about ten days.
5. Temperature
The suitable temperature for the growth of hydrangea is 18-28℃, and the temperature in winter should not be lower than 5℃. Flower bud differentiation takes 6-8 weeks at 5-7℃. The temperature of 20℃ can promote flowering, and it can be maintained at about 65438 06℃ after flowering, which can effectively prolong flowering period. But the high temperature will make the flowers wither quickly.