The optimum planting depth for tulip bulbs is a subject of heated debate among experts and hobby gardeners. In fact, no general statement can be made. Rather, the local conditions define the ideal value. Read here how deep you can plant the flower bulbs professionally in the garden and in the pot on the balcony.
The ideal planting depth for tulip bulbs varies depending on the soil conditions
Why is planting depth so relevant?
A flower bulb is a squashed sprout, inside which the buds and leaves of a tulip have already formed. These are covered by fleshy leaves that act as storage organs and a protective coat. After planting in autumn, the first step is to root in time before winter. On this basis, the enchanting tulip blossom rises in spring.
If the bulb is too close to the surface, the leaves will sprout before the first frost and freeze miserably. Planted too deep in the ground, tulips are forced to expend much of their energy just to get to the surface. They then lack the power for the flower cup.
With this planting depth you are correct
Choose a spot in the bed in a sunny, wind-protected location that is characterized by a nutrient-rich, loose, humus-rich and well-drained soil. Create small planting holes 15-20 cm apart, the depth of which is based on these criteria:
- The rule of thumb for planting tulip bulbs is twice as deep as the bulb is tall
- In loamy, firm soil choose a value between 10 and 15 cm
- In sandy, very loose soil choose a value between 20 and 25 cm
- Plant the tulip bulbs 25 to 30 cm deep in areas with harsh winter conditions
You can arrange the flower bulbs a little more densely in pots and window boxes at a planting depth of between 8 and 12 cm. So that the flower cups unfold at the same time, bulbs of different sizes are planted at correspondingly divergent depths.
tips
Unfortunately, the perfect planting depth of tulip bulbs plays into the hands of their worst enemy. This deep in the ground, voles can access their favorite food unhindered. Put a stop to the bold activities of the voracious pests by planting the flower bulbs in the protection of a vole basket.