Horticulture News

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Fall is my favorite time of year!  Football, fall leaves and flower bulbs!  October is generally the best time to plant hardy bulbs (especially daffodils to give them enough time to root before winter. But it is certainly not too late to plant them now.  As long as the soil temperatures are above 40 degrees F, the bulbs should continue root development.

 

Be sure to select large, firm bulbs that have not begun to sprout.  While many bulbs can adapt to a wide range of soil types, none can tolerate poorly drained soil.

 

Prepare the planting bed by adding organic matter such as peat moss, well-rotted manure, or compost and mix into the soil. Adequate fertility is essential.  It is best to rely on a soil test to determine what nutrients are needed.  Garden soils that have been fertilized regularly in the past may have excess levels of phosphorus.  Excess phosphorus can interfere with the uptake of other essential micronutrients. In such cases, it would be better to use a fertilizer relatively high in nitrogen such as a 29-5-4, 27-3-3, or something similar.  Apply these fertilizers at the rate of 2/3 pound per 100 square feet. Organic sources of fertilizers low in phosphorus include blood meal (12-0-0) applied at 5 to 10 pounds per 100 square feet, cottonseed meal (6-0.4-1.5) applied at the rate of 10 pounds per 100 square feet and soybean meal (7-2-1) applied at the rate of 8 pounds per 100 square feet.

 

In the absence of a soil test, or if phosphorus is needed, add a low analysis, balanced fertilizer such as 5-10-5 or 6-10-4 at the rate of 2 to 3 pounds per 100 square feet of bed. Mix all amendments thoroughly with the soil before planting the bulbs.  The size and species of the bulb determine how deep to plant. In general, the depth to the bottom of the bulb should be about 2 to 3 times the size of the bulb, but check the planting instructions specific to each particular flower.

 

By: Scott Eckert, Harvey County Extension Agent, Horticulture

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