Monday | November 20, 2017
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Easter: a time of hope, life and optimism

Easter is a special time no matter what religion, faith and spiritual inclinations you have. It is a time to celebrate new life, rebirth and an optimistic attitude toward living our lives. This is exemplified by experiencing what is happening in our gardens.

With longer days, most folks are already getting “Hawaiian Spring Fever.” This means getting close to nature with plants.

Throughout the northwest U.S. and Japan, one of the highlights of spring is the mass blooming of azaleas and rhododendrons. In Hawaii, these attractive garden shrubs are popular in cool, mauka areas. This spring, the plants are also available as potted house plants at our local garden shops and nurseries.

If you are looking for some spring color to perk up your home or garden, the azalea is a natural. It’s a great gift for someone special — including yourself. In fact, it’s perfect for a gift just about any time, since living gifts are gifts of aloha.

When buying azaleas, here are a few tips to remember.

Azaleas are a part of a small but widely distributed family found in many parts of the world. They are usually found in cool, moist regions such as the Pacific Northwest and the Himalayas. Some species are even found on high mountains including Kinabalu in Borneo. Azaleas are actually rhododendrons. Many plants of this group are adapted to temperate regions, but some have found Hawaii a good place to live.

The varieties you will find on the market bloom in reds, whites, pinks, salmons and even mixes of white-pink and white-red.

Azaleas are slow growing in Hawaii. A good specimen, 6 to 8 inches high, takes at least two years to reach the market. They are not easily grown from cuttings. That is why a gift of an azalea is something special.

Once you buy your living spring bouquet, they are easy to care for if you follow a few simple rules.

Some folks like to keep them as potted plants. They won’t tolerate a daily scrub-down, but they will take on a healthy look with an occasional leaf washing. Dirty foliage is unattractive. If the leaves get heavy with dust, wash them off with water. This will discourage insect and mite buildup. The proper watering of plants is more important than giving them a bath. In general, plants require a thorough soaking at least once a week. With warmer temperatures or air-conditioning, plants may require more water. Applying too little moisture may allow the soil in the container to dry out, causing the plant to wilt or die. On the other hand, keeping the plant roots soggy will also cause injury. Make sure the pot has sufficient drainage.

Azaleas grow well at temperatures between 60 and 70 degrees. Therefore, protect the plants from being broiled alive by direct sun, hot or windy areas. In cool mauka areas, they may be placed in sun.

Azaleas like their food served at regular intervals. Special acid azalea fertilizers are available. Follow the directions on the plant food container. Since azaleas are slow growers, they should only need fertilizer once every two to three months.

Brown tips or burned margins may mean you’ve applied too much fertilizer, you’ve let the plant roots dry out or you’ve let the plant become wind-burned. Yellowing of leaves indicates over-watering, poor drainage or poor soil aeration. Small leaves suggest a tight or heavy soil mixture, lack of fertilizer or not enough moisture. Weak growth or light green color on otherwise healthy foliage indicates too much light, lack of fertilizer, root-rot or poor root systems. Yellowing, wilting or soft growth means too much heat or root injury.

Remember, azaleas require an acid soil. If you decide to plant them in the garden or repot them, give plants a mix high in peat moss. Make sure you don’t plant them in soils that are high in calcium. Avoid planting in concrete containers, near sidewalks or concrete foundations since these contain calcium and will cause nutrient deficiencies.

Also, azaleas should not be planted near the ocean or in hot, dry or windy areas.

This information is supplied by the University of Hawaii College of Tropical Agriculture and Human Resources. For further information, contact the office near you.