When do tulips bloom? What should I do if tulips don’t bloom?

1. Flowering time

Tulips usually bloom from March to May. Because it has many varieties, the colors are also very rich, including red, yellow, purple and so on. Its flowers are solitary at the top of the stem, are usually cup-shaped, and appear large. The flower has purple spots at the base, 6 petals, and is oblong in shape.

2. What to do if it doesn't bloom

1. Increase light: As a long-day plant, only long-term light can promote the differentiation of flower buds. If the plant does not produce buds, it means that there is insufficient light. Generally, during the growth period of the plant, it needs to be placed in a sunny place so that it can receive light throughout the day. If the light is too strong, you can provide appropriate shade and expose it to light in the morning or evening.

2. Supplement fertilizer: Tulips need nutrients to bloom. If the nutrients are insufficient, the plants will grow poorly and it will naturally be difficult to bloom. If it has already grown flower buds, just adding a little phosphorus and potassium fertilizers can promote flowering. In addition, during the growing period, you should also pay attention to controlling the amount of nitrogen fertilizer used. If too much is applied, there will be a risk of excessive growth, which will affect the differentiation of flower buds.

3. Control watering: Tulips are bulbous plants and are particularly afraid of moisture, but a dry climate will slow down their growth, so watering needs to be controlled. If you water too much, the bulbs will rot and the plant will not bloom. In this case, you need to use a sterilized knife to cut off the rotten parts, dry them and then replant them.

4. Low-temperature vernalization: Tulips need to undergo low-temperature vernalization to grow. If the local environment is warm all year round, it will be difficult for the plants to bloom. Generally, after the bulbs are dug out, they need to be placed in the refrigerator for a period of time, with the temperature maintained at 4-9℃. Vernalization will be completed in about a month, and they will bloom after planting.