Most hardy geraniums are ridiculously easy to grow. All they require is a moderately fertile, well-drained soil. A few species are even reliably drought tolerant in normal summer conditions. There are plenty of shade-loving geranium species and cultivars which thrive in light or dappled shade. Hardy Geraniums form low mounds and bloom from spring through fall in white, red, purple, pink, or blue. They will thrive in part shade, and some cultivars do perfectly in full shade. Another bonus is that hardy geraniums tolerate dry soil—a common problem when planting under trees. These plants, with their bright, round flower heads grow as perennials in U. S. Department of Agriculture plant hardiness zones 10 through 11. Sun-loving geraniums need five to six hours of direct sunlight and 12 hours of daylight per day to produce abundant flowers. A. The two most common reasons for geraniums not blooming prolifically are too little light or too much fertilizer. Geraniums are a sun loving plant that need 4-6 hours of full sun a day, or perhaps longer in somewhat filtered light. South and west exposures are usually best. Locate trailing geranium ivy in full sun if temperatures remain below 80 F. (27 C. ), but in hotter temperatures, plant them in partial shade. Protection from hot afternoon sun is an important part of ivy geranium care. Too much bright sun may result in small, cup-shaped leaves and small blooms.
Simply touch the soil with your finger going down a couple of inches and your geranium should tell you if she is thirsty or not. If it feels dry, it's time to water, if it's still moist, then wait another day or two and re-test. Just make sure you always allow the soil to get dry before watering and you should be fine.
Once a stem on a geranium plant has gotten to be a few inches, using a sharp pair of scissors, or even your fingers, snip or pinch 1/4 to 1/2 inch off the end of the stem. Repeat on all the stems. This will force the geranium to grow two new stems off the original and this is what creates the bushier, fuller plant.
Annual flowers to grow in shade will fill even the shadiest corner with plenty of color. Alyssum. Baby Blue Eyes. Begonia. Calendula. Cleome. Fuchsia. Impatiens. Larkspur.
Fertilize geraniums every week because the plants require a consistent supply of nutrients to bloom continuously throughout the season. Use an all-purpose, balanced water-soluble fertilizer applied at a rate of 1 tablespoon to 1 gallon of water. Deadhead wilted blooms throughout the season.
Well grown regals can spread out and take up a lot of space, so plant these geraniums at least 30 cm apart.
One of the most common causes for yellowing leaves is too much moisture or overwatering. Generally, on over-watered plants, the bottom portions of geraniums have yellow leaves. They may also develop pale-looking water spots. If this is the case, you should immediately stop watering and allow the plants to dry out.
You should deadhead whenever your geranium blooms begin to look brown or weak. To deadhead your geraniums, rather than simply pulling off the top flowers, you need to go a little deeper in the plant and snap the stem below its node or joint, where new growth begins.
Care. Allow soil to dry to some extent between waterings, then water thoroughly. During the winter, water much less, but do not let the roots dry out entirely. Geraniums do best when given a period of dormancy through the winter months, during which they use less water and do not grow much.
Plant size for geraniums varies by type, with plants growing from 4 to 48 inches tall and 6 to 36 inches wide. Check plant tags to determine the proper spacing for your geranium type.
Every four to six weeks, feed your geraniums with 1 scant teaspoon of 10-10-10 or 8-8-8 granular fertilizer sprinkled over a 1 square foot area and water in the fertilizer. A water-soluble 20-20-20 fertilizer can be used, if desired. Mix 1 teaspoon of fertilizer per gallon of water.
A cool, unheated, slightly damp basement is ideal for storing dormant geraniums in pots. Pot up your geraniums before the first frost and allow the soil in the pot to dry out. Cut the plants back by approximately half.? Place an overturned paper bag on top of each plant and store it in the basement.
Perennial cranesbill geraniums will come back each year and zonal geraniums, those now classified as Pelargonium, are tropical perennials usually grown as annuals.
Repot in spring. Geraniums bloom best if slightly pot-bound. Move your plant to a pot 1 size larger or keep it in the same pot and just give it fresh soil.