Dahlia is a genus of bushy, tuberous, herbaceous perennial plants native to Mexico. A member of the Asteraceae, dicotyledonous plants, related species include the sunflower, daisy, chrysanthemum, and zinnia. The dahlia was declared the national flower of Mexico in 1963. This colorful spiky flowers usually bloom mid-summer until the first frost. The flowers of many colors and sizes are quite large. The plant grows to a length of 4 to 5 feet.
Dahlias are suitable for summer and humid weather. Dahlias any sunny garden can bloom in the growing season, which is quite a long period of 120 days. Dahlia thrives in a cool moist climate of the Pacific coast.
Scientific name Dahlia
Common name Dahlia
Plant type Flower
Sun required Full sun
Blooming time Mid-summer
- For best results in most areas should be planted dahlia mid-April to May.
- The ground temperature is lower than 60 degrees (the warm weather is the exception.)
- Dahlias require full sunlight to bloom, so find a place where it has sufficient sunlight.
- if direct sunlight for at least 8 hours, so the plant will yield good results.
- Less sunlight will affect the plant’s growth and bloom. More hot weather is the exception, but they will need morning sun and afternoon shade for better results.
- Dahlia grow naturally when the soil temperature reached 60 degrees f (The USDA Zone 8 are hardy bulbs) they are not adapted to withstand sub-zero temperatures.
- The tuber deep planting (10 to 15 centimeters) provides protection should the plant.
- Well-Drained rich soil and well water are required for the successful development of modern dahlia plant. If the soil is poor in your area, prepare the soil before plantation. Watch to find out more. Potting Mix Recipes Perfect. Loosen the soil well so that the water goes out to mix the sand.
- The plants like full sunlight. Direct sun is required for a minimum of 7 to 8 hours to bloom the right.
- Flowers are quite large, about 8 to 12 inches. Such plants are 4 to 5 feet tall, 3 three feet apart must these plants.
- The planting hole should be slightly larger than the root ball. to improve soil handful peat moss or bone meal to Insert hole. This planting helps.
- The flowers are quite large and heavy around the plants to prevent damage to plant 5 to 6 feet long rung apply for support.
- Vegetables in your garden, then this is the right place here was a line of dahlia can for cutting.
- Approximately 8 weeks after planting the flowers bloom.
- After planting the tubers do not water promotes rot. Yes the sprouting up of soil visible, Water.
This plant prefers water but can cause rot in tubers Watering over. A nitrogen-rich liquid fertilizer such as 5-10-10 or 10-20-20 at Dahlia is beneficial. 3 to 4 weeks, from early autumn to mid-summer after germination should compost. Do not over fertilize especially with nitrogen. Otherwise, Tubers can be weak or affect the bloom.
Once developed dahlia requires regular water. The plant requires deep watering 2 to 3 times a week. When the plant nearly 1 foot tall, add soluble nitrogen fertilizer in every 3 to 4 weeks. Stems of the plant and makes it strong.
If you are growing big dahlia plant, staking is very important. The length of the plant is high and the flowers are very heavy, wind and rain from time to time, this may damage the plant heavily.
If you want to avoid damage to the plant in blooming time, you set one or two stakes beside the dahlia tuber, and tie with twine plant.
- If you want to protect the plant in cold areas, the early fall before digging the tubers can gather in the cold. Dahlia may be hardy to USDA zone 8 so they can be left on the field over winter.
- The leaves must be cut for raising so be it from the ground up.
- Rotten tubers, sliced tubers, and foliage to leave dry naturally.
- Store in a well-ventilated and frost-free space where the temperature is 40 to 45 degrees F is ideal.
- Tubers in the spring can start to take out a new plant.
Pests and disease
It is free from a lot of pests. Most of it has come to them, did not need any sprays or pesticides. But slug bait should look at these very damaging Slugs. Japanese beetles can damage if roses are around the dahlia, these are cuts not only leaves but damage the flowers also. Get alerts for it and periodically spraying insecticide soap. Earwigs and Cucumber Beetle, Aphids and mites affect the plant.
It usually shows up in the plant in the fall. To avoid this problem, At the end of July or August, be sure to spray. Neem oil is an organic approach fungicide. You can buy it from a nursery shop.