Summer Bulbs (commercial) (Code #889)
Soil Test Rating
All Soils
Potassium

Low K

0-150 lbs/A

Medium K

151-250 lbs/A

High K

251-450 lbs/A

Very High K

450+ lbs/A

PhosphorusSee Comments

Low P

0-50 lbs/A

887887888888

Medium P

51-100 lbs/A

887887888888

High P

101-200 lbs/A

189189190190

Very High P

200+ lbs/A

189189190190

Recommendations:

Recommended pH:5.5 to 6.0. If the pH is less than 5.5, see Lime Table C and the soil depth adjustment table that immediately follows the lime tables.
Magnesium:

If soil test Mg level is low and lime is recommended, use dolomitic limestone.

Coastal PlainLow: 0 - 60 lbs/acre Medium: 61 - 120 lbs/acre High: >120 lbs/acre
Piedmont Low: 0 - 120 lbs/acre Medium: 121 - 240 lbs/acre High: >240 lbs/acre

Comments:

Fifty pounds of limestone per 1000 square feet is equivalent to 5 pounds (6½ cups) per 100 square feet. (If lime recommendation is greater than 50 pounds per 1000 square feet, increase the per cup rate proportionately.)

189.

Apply 1/2 pound (1 cup) 14-0-14, 15-0-15, or 16-0-16 per 100 square feet of bed area at planting or early spring and again in mid summer. If these fertilizer analyses are not available, substitute a 12-4-8 or 16-4-8 analysis at the same rate. Apply when the foliage is dry. Keep fertilizer off the foliage or wash off immediately.

190.

Apply 1/3 pound (3/4 cup) of 34-0-0 or 1/2 cup of 46-0-0 per 100 square feet at planting or early spring and again in mid summer. Apply when the foliage is dry. Keep fertilizer off the foliage or wash off immediately.

887.

Apply 1 pound (2 cups) 8-8-8 or 10-10-10 per 100 square feet of bed area at planting or early spring and again in mid summer. Keep fertilizer off the foliage or wash off immediately. If slow-release type fertilizers are used, follow manufacturer's recommendations for application rate.

888.

Apply 1/2 pound of 20% superphosphate, and 1/4 pound 34-0-0 or 1/5 pound of 46-0-0 per 100 square feet at planting or early spring and again in mid summer. Keep fertilizer off the foliage or wash off immediately.