Do you want your hydrangeas to be blue? Add some acid to the soil

I have Hydra and I want to know how to make blue flowers grow. Kathy Newman, Grenna.

Hydroids are special plants that can change the color of their flowers depending on the acidity or alkality of the soil. All of this depends on the amount of aluminum in the soil for the roots to feed. In acid soils, aluminum ions are easily absorbed, and this causes the flowers to turn blue. Gardeners living on the southern shores of Lake Pantharatre are alkaline, and their hydrangeas bloom pink or purple-pink.

To encourage your hydrangeas to bloom blue, apply aluminum sulfate in October and again in March. Follow the package instructions. Repeat this treatment every fall and spring until the plants grow blue.

North coastal gardeners generally get blue hydrangeas because the soil can be acidic. For Rose Hydrangeas, North Coast gardeners can apply for the same program. Remember, hydrangeas prepare flowers for next summer and should not be pruned now and then.

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We have 18 “underground cover in our area. Blowing oak treesያሳያል Indicates shallow root systems due to clay. Do I dig holes up to 4 feet around a tree, fill them with food from the same tree and expect the roots to follow the holes, so that the tree can withstand strong winds? If so, how do they encourage me to do it? Robert Isaac

The roots of the tree are shallow because of the clay. You see, the roots of trees can easily grow. The root system of the tree (including all the most widely used landscape trees) is shaped like a large flat plate. Most root systems are located 12 to 18 inches above the ground and extend well beyond the branches of the tree.

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Can you give me some information about growing a night flower? At what time of the year do they bloom most often? Is there anything I can do to jump…

Feeding the water and minerals that a tree needs are the main source of nutrients, usually eight to 12 inches[8 to 12 inches]in soil. Some baptismal foliage helps to keep the roots of the tree down a few feet. The shallow root system is responsible for the need for oxygen, and the supply of oxygen should be relatively close to the soil surface.

This structure causes the roots of the trees to be damaged during construction or why overfilling the roots can damage or kill the trees (the mulch loses the oxygen roots it needs).

Even trees that grow in sandy or loamy soils produce a flat, saucer-shaped root system. Again, this is more related to the oxygen demand of the roots than the texture of the soil. The best protection against infestation is to plant relatively wind-resistant trees and ensure that the tree is healthy and free of any damage to its roots.

We lost a big shade tree in Hurricane Erica. Now I am concerned about the shade-loving plants that grow in the shade of the tree. what should I do? Paula Haig

When hurricanes like the Idaho hurricane hit our area, they would inevitably cause landslides. Here is some information to help you ሴ…

One of the biggest landslides during hurricanes is ripe shady trees. Shade trees take decades to reach maturity, so they cannot be replaced quickly.

When large trees are blown up and removed, areas previously shaded will receive significant sunlight. Sudden exposure to plants that are completely shaded by the sun can burn the leaves.

Some plants adapt and the new growth in the spring is good for sunny conditions (azaleas are a good example). But many shade-loving plants do not thrive in sunny conditions. These plants should still be planted in shady landscaped areas, and sun-loving plants should be planted in their place.

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Dan Gill is a retired consumer horticulturist with LSU AgCenter. He will host a “Garden Show” on WWL-AM on Saturday.

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