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WHEN TO FERTILIZE
Fertilizer Rates and Timing
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Remember to use Black Gold® Fertilizer only as directed. For best results, mix fertilizers with your garden or potting soil and water after you are done planting. Avoid over-feeding your plants - a little extra might not be a good thing.
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ALL PURPOSE FERTILIZER
Plant Type |
Application Rate |
Frequency |
Vegetables, Annual Flowers
and Perennials |
New Plantings:
4 cups per 50 sq. ft.
2 cups per 25 foot row |
Fertilize at time of planting and every 6-8 weeks throughout the growing season. For perennials, feed at first bloom and then every 6-8 weeks. |
Established Plants:
3 cups per 50 sq. ft.
1 ½ cups per 25 foot row |
Fruit Trees and Vines, Ornamental Shrubs and Trees |
New Plantings:
2 cups per 16 sq. ft.
½ cup per 1 gallon pot
2 cups per 5 gallon pot |
Fertilize at time of planting, and every 8 weeks throughout the growing season. |
Established Plants:
2 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant. |
Container Plants |
New Plantings:
1 tablespoon per quart of soil
or 1 cup per cubic foot of soil |
Fertilize at time of planting and every 6-8 weeks throughout the growing season. |
Established Plants:
2 tablespoons per gallon of potting soil or ½ cup per 5 gallon container |
ROSE & FLOWER FERTILIZER
Plant Type |
Application Rate |
Frequency |
Roses and Flowering Shrubs |
New Plantings:
2 cups per 16 sq. ft.
3 ½ cups per 25 foot row
¼ cup per 1 gallon pot
1 cup per 5 gallon pot
Mix thoroughly in the soil to a depth of 6-8 inches |
Fertilize about every 8 weeks throughout the growing season - first, at time of planting, or in spring before bud break, then again as first blooms fade, and then again in midsummer. |
Established Plants:
1-2 cups per plant depending on size
5 cups per 50 sq. ft.
1 3/4 cups per 25 foot row
Mix thoroughly in the soil to a depth of 6-8 inches, just inside the drip line of the plant |
Annual Flowers and Perennials |
New Plantings:
4 cups per 50 sq. ft.
2 cups per 25 foot row
Mix thoroughly in the soil to a depth of 6-8 inches |
Fertilize at time of planting, after first bloom and every 8 weeks throughout the growing season. For perennials, feed at first bloom and then every 8 weeks. |
Established Plants:
2 cups per 50 sq. ft.
1 cup per 25 foot row
Mix thoroughly in the soil to a depth of 6-8 inches |
Container Plants |
New Plantings:
¼ cup per gallon of soil, or 1 cup per cubic foot of soil |
Fertilize at time of planting, and every 8 weeks throughout the growing season. |
Established Plants:
2 tablespoons per gallon of potting soil or ½ cup per 5 gallon container |
TOMATO & VEGETABLE FERTILIZER
Plant Type |
Application Rate |
Frequency |
Tomatoes & Pepper |
New Plantings:
3 cups per 50 sq. ft.
1 ½ cups per 25 foot row |
Fertilize at time of planting and again at first bloom set. |
Established Plants:
1 cup per 50 sq. ft.
½ cup per 25 foot row |
Other above ground vegetables: Lettuce, Bean, Squash, etc. |
New Plantings:
4 cups per 50 sq. ft.
2 cups per 25 foot row |
Fertilize at time of planting and in the middle of the growing season. |
Established Plants:
4 cups per 50 sq. ft.
2 cups per 25 foot row |
Root Crops: Carrot, Beet, Radish, Potato, Onion, etc. |
New Plantings:
4 cups per 50 sq. ft.
1 cup per 25 foot row
Use half rate for carrots |
Fertilize at time of planting and in the middle of the growing season. Feed carrots only at time of planting. |
Established Plants:
½ cup per 50 sq. ft.
1 cup per 25 foot row |
Container Vegetables |
New Plantings:
4 tablespoons per gallon of soil, or 1 2/3 cups per cubic foot of soil |
Follow guidelines listed above for the specific vegetables. |
Established Plants:
4 tablespoons per gallon of potting soil or 1 ¼ cups per 5 gallon container |
MULTICOTE® FERTILIZER
Plant Type |
Application Rate |
Frequency |
Vegetables, Annual Flowers, Perennials, Shrubs & Trees and Groundcover |
New Plantings:
Use the rates from the chart below that correspond with the container size used at the time of planting. |
Fertilize at time of planting and every 4-6 months throughout the growing season. |
Established Plants:
8 tablespoons per 25 sq. ft. |
Container Plants, including House Plants (Cacti and Succulents at ½ the listed rate) |
Container Size (Dia. in inches) |
Amount (in teaspoons): |
Fertilize at time of planting and every 4-6 months throughout the growing season. |
Less than 4 |
½ |
4 |
1 |
6 |
1 ½ |
8 (1 gallon) |
3 |
10 |
3 |
18 |
4 |
24 |
8 |
AZALEA, CAMELLIA & RHODODENDRON FERTILIZER
Plant Type |
Application Rate |
Frequency |
Azaleas, Camellias, Rhododendrons, Blueberries and other acid-loving Trees and Shrubs |
New Plantings:
2 cups per 16 sq. ft.
1 ½ cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant. |
Fertilize in the spring, after the plant begins to leaf out, and every 8-10 weeks throughout the growing season as needed. |
Established Plants:
2 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant. |
Acid-loving vegetables (Potato, Radish) and annuals (Primula, Begonia, Impatiens) |
New Plantings:
2 cups per 25 sq. ft.
2 cups per 25 ft. row |
Fertilize at time of planting and in the middle of the growing season. |
Established Plants:
1 cup per 25 sq. ft.
1 cup per 25 ft. row |
CITRUS, AVOCADO & VINE FERTILIZER
Plant Type |
Application Rate |
Frequency |
Citrus and Avocado Trees |
New Plantings:
½ to 1 cup for the fill-in soil, then 1-½ cups in the area
around the tree |
Fertilize established plants in February and again in late May and August. |
Established Plants:
2 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant |
Container Plants |
New Plantings:
1 tablespoon per quart of soil or 1 cup per cubic foot of soil |
Fertilize every six weeks from January to April and then again in July. |
Established Plants:
6 tablespoons per gallon of potting soil or 1½ cups per 5 gallon container |
Berries and Ornamental Vines |
New Plantings:
½ cup for the fill-in soil |
Fertilize established plants when growth begins in spring and again when flowers form. |
Established Plants:
1 cup around each plant. Mix thoroughly beneath drip line. |
Palm, Cactus and Tropicals FERTILIZER
Plant Type |
Application Rate |
Frequency |
Palms |
New Plantings:
½ - 1 cup in the soil mix,
plus 1 ½ cups in the area around the plant |
Established Plants:
Fertilize late spring/early summer and again in midsummer. |
Established Plants:
2 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant |
Hibiscus |
New Plantings:
½ - 1 cup in the soil mix
plus 1 ½ cups in the area around the plant |
Established Plants:
Fertilize every 8 weeks throughout the growing season until fall. |
Established Plants:
2 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant |
Container Plants |
New Plantings:
1 tablespoon per quart of soil, or 1 ½ cups per cubic foot of soil |
Established Plants:
First fertilize when temperatures are above 60◦F and then every 4-8 weeks throughout the growing season. |
Established Plants:
1 ½ cups per 5 gallon container |
BONE MEAL FERTILIZER
Plant Type |
Application Rate |
Frequency |
Vegetables, Annual Flowers and Perennials |
New Plantings:
2 cups per 50 sq. ft.
1 cup per 25 foot row |
Fertilize at time of planting. |
Established Plants:
1 cup per 50 sq. ft.
½ cup per 25 foot row |
Roses and Shrubs |
New Plantings:
¼ cup per 1 gallon pot
1 cup per 5 gallon pot |
Fertilize in the spring and again in the fall before winter begins. |
Established Plants:
1 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant. |
Bulbs |
New Plantings:
6 cups per 50 sq. ft.
3 cups per 25 foot row
2 tbsp per individual bulb |
New Plantings: Fertilize at time of planting - mix to a depth of 8-10 inches
Established Plants: Fertilize as leaves appear and again as blooms fade |
Established Plants:
2 cups per 50 sq. ft.
1 ½ cups per 25 foot row |
BLOOD MEAL FERTILIZER*
Plant Type |
Application Rate |
Frequency |
Vegetables, Annual Flowers and Perennials |
New Plantings:
4 cups per 50 sq. ft.
2 cups per 25 foot row |
Fertilize at time of planting and every 8 weeks until plant is fully grown, and then switch to Black Gold® Tomato and Vegetable Fertilizer. |
Established Plants:
2 cups per 50 sq. ft.
1 cup per 25 foot row |
Roses and Shrubs |
New Plantings:
1 cup per 1 gallon pot
5 cups per 5 gallon pot |
Fertilize before bud break in spring and every 8 weeks until the plants bloom, and then switch to Black Gold® Rose and Flower Fertilizer. |
Established Plants:
1 cups for every inch in trunk diameter (measured at 4-6 inches above the soil line).
Mix thoroughly in the soil just inside the drip line of the plant |
Container Plants |
New Plantings:
1 tablespoon per gallon of soil or ¼ cup per cubic foot of soil |
Fertilize at time of planting, and every 8 weeks until plants begin to bloom, then switch to Black Gold® Rose and Flower Fertilizer. |
Established Plants:
1-2 tablespoons per gallon of potting soil or ¼ cup per 5 gallon container |
*Blood Meal can burn plants if used in excess |
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