Geraniums’ cheery pinks, reds, and oranges enliven gardens around the country. However, pelargoniums and geraniums are two distinct species that are frequently referred to as “geraniums.” While true geraniums have divided leaves and smaller, less noticeable blossoms, pelargoniums have broad, rounded leaves with colorful flowers. In reality, garden centers sell pelargoniums under the names Martha Washington, ivy, zonal, and scented geraniums. Any variety of geranium, hardy in Sunset Climate Zones 8, 9, and 12 through 24, thrives in summer gardens. Geraniums can be easily moved from 4-inch grower’s pots into larger flowerpots for your patio when grown as quickly-growing annuals.
In a bucket, combine perlite, compost, and potting soil in equal parts. The potting media has to be moist, so add water and mix. Fill an 8- to 12-inch flower pot to within 4 inches of the top with the damp potting soil.
Take the geranium out of the previous flowerpot. Slide the geranium with the root ball out of the pot by gently tipping the container onto its side. To fit into the new flowerpot, unwind any encircling roots and, if required, cut them.
As you fill the space around the roots with the leftover potting soil, plant the geranium in the new flowerpot while holding it in place. Till the root ball is completely covered, add potting soil. Gently tamp the ground close to the roots.
Water the flowerpot thoroughly until water is dripping from the bottom. When the top of the soil feels dry to the touch, keep watering at regular intervals. In hot or windy conditions, you might need to water the geranium every day if you planted it in a hanging basket.
Pull the mulch back 3 inches from the geranium’s stem and add 2 inches to the flowerpot’s top. On warm or windy days, mulch helps keep the moisture level in a flowerpot steady and reduces excessive evaporation.
Fill the saucer of the flowerpot with one inch of gravel. On top of the gravel, place the flower pot. The geranium should be placed in a protected area with six to eight hours of daily sunlight.
When do my geraniums need to be repotted?
Most people are aware that geraniums can’t withstand freezing and must go indoors as soon as it begins to get cold.
Unless your area never freezes, leaving it outside in a pot, garden box, or the ground throughout the winter will not cause it to grow back in the spring.
Thus, you must without a doubt maintain it in a cool, well-ventilated area that is protected from freezing.
You may choose between two possibilities:
For potted geraniums in garden boxes or pots
- Before the first frost spells, move the garden boxes into a cool, dry, and well-lit location.
- 40F to 50F is the best preservation temperature (10C to 15C).
- Reduce the stems by about two-thirds.
- During the coldest winter months, irrigation should be minimized or possibly stopped entirely.
- From February through March, start watering again a little at a time. In the spring, reposition the garden boxes outside.
- Just before bringing the geraniums back outside, now is the ideal moment to repot them in brand-new soil mixture.
For geraniums planted in the ground
- Before the first freeze, remove the geraniums.
- Trim the branches to 2/3 of their original length and the tips of the roots.
- Up until spring, keep them in a cool, well-lit location.
- Plant them back in the ground in the spring using a mixture of soil and earth.
How well do geraniums transplant?
Geraniums (Pelargonium spp.) transplant readily as long as they have plenty of moisture and light after their move, regardless of whether they are nursery plants relocated to a garden or especially colorful plants protected from winter freezes by being taken indoors.
Are geraniums root-bound in favor?
Deadhead faded flowers on your geraniums by cutting off the entire flower stalk all the way to the point where it connects to the main stem.
Use a pair of sharp scissors, or even your fingers, to trim or pinch off approximately a half-inch of growth from the end of each stem to keep plants bushy, full, and jam-packed with flowers. This gives the plant a larger appearance and the potential for more flowers while also causing the plant to sprout two new stems.
Repotting your geraniums into a larger container only when necessary, and use a container that is just one size bigger than the previous one, as geraniums bloom best when they are relatively root-bound.
Geraniums are heavy feeders, so treat your plants with a balanced fertilizer as directed on the product label every few weeks during the spring and summer. At the conclusion of the summer, stop feeding.
What is the lifespan of geraniums in pots?
My geraniums are no longer blooming. I fed them, but it was ineffective. What’s the issue?
You might be feeding them too much. Pelargoniums, a genus of geraniums native to the Mediterranean, flourish in full sunlight and relatively infertile soil. Overfeeding can be the issue if you have a lot of foliage growth and the plants appear healthy. For a while, stop giving them food. But if your plants are becoming older and their stems are getting lanky, it might be time to propagate. Although they can live much longer, geraniums typically only bloom for two years on average before becoming woody and losing their blooming ability. Thankfully, geranium propagation is simple. Simply cut stem tips with at least two pairs of healthy leaves from a four-inch stem. Cut the stem at the lowest point, dunk it in hormone rooting powder, and then plant it in a mixture of half sand and half peat moss. In around three weeks, repot in ordinary soil after providing adequate watering and covering with plastic to assist preserve moisture. Sticking the cutting in water and letting it grow roots before potting is a simpler method.
What kind of potting soil works best for geraniums?
To cultivate geraniums, you don’t have to be an expert gardener. Geraniums don’t require much in the way of particular care and don’t care much for expensive fertilizers or niche soils.
For geraniums, soil
A loose soil with lots of organic materials is ideal for geraniums. Add peat, compost, or perlite if your soil is on the heavier side. Vermiculite and manure are not advised.
Geranium Planting Locations
Nearly all gardening zones are suitable for geranium planting. Even after understanding this, you might still wonder if geraniums require full sun. Geraniums need a lot of light to bloom, although in regions with hot summers, some shade is advised. The answer to the question of how much sunlight geraniums require varies on the particular geranium and your gardening zone. The optimum position has well-draining soil, morning sun, and afternoon shade. Pick a spot that is the right size for your geranium flower beds. The risk of illness is decreased by maintaining the proper distance between plants.
Geranium Planting Season
Planting season shouldn’t be rushed because geraniums aren’t cold resistant. If you hold off too long, though, you run the risk of missing the low nighttime temperatures that promote budding. Planting at the right time is the first step in understanding how to cultivate geraniums outdoors. Wait till your soil reaches 60 degrees F and the threat of the last frost has passed.
Geranium-specific fertilizer
Light fertilizing is required for geraniums. If you overfeed them, the blossoms will suffer while the foliage thrives. You don’t need to buy a specialized geranium fertilizer, despite the fact that you may notice it in your local garden center. Combine 2 teaspoons of a water-soluble 20-20-20 fertilizer with 1 gallon of water for a mild fertilization. Every three weeks during the growing season, apply this solution.
Geraniums in Containers
You may be wondering how to pot-plant geraniums. Actually, it’s as simple as putting them in the ground. You require a soil that is loose and well-draining, regular watering, and minimal fertilizing. As long as the container has drainage holes, geraniums thrive in various sizes and shapes of containers. The secret to growing geraniums in pots is to put them in sunny spots away from windy areas.
Geraniums grown in pots have the extra advantage that you may easily bring them indoors for the winter. Geraniums will flourish as a houseplant even in the coldest months if they are put in a sunny window. After the last frost, gently reintroduce them to the outside in the spring.
giving geraniums water
Take the time to leave an irrigation furrow around each plant to act as a watering reservoir since geraniums require deep, thorough watering. As a result, water can collect and then slowly percolate through the soil. Allow the soil to dry out in between waterings to prevent root rot. Using a soaker hose to water at ground level keeps water off the leaves and guards against illness. Geraniums need to be watered frequently because the soil in pots likes to get heated. You can water plants without waiting for the soil to dry up between applications since the drainage holes assist prevent root rot.
What volume of water do geraniums require? You’ll just need to keep an eye on your plants. Avoid allowing your geraniums to wilt for proper geranium plant care. Poor flower production and leaf shedding occur as a result of withering and revival cycles.
Geranium pruning
Outdoor-planted annual geraniums don’t require pruning, but routine deadheading can help reduce disease and boost growth. After the flowers have faded, simply pinch off the entire flower stalk and pick the plants’ dried leaves. The geranium houseplant frequently develops long, slender legs. Pinching the growth tips on a regular basis will promote branching.
Geranium Common Pests and Diseases
Geraniums are generally free of insects and other pests. Botrytis and other fungus attacks, however, can happen in cooler, rainier climates. Commercial fungicides offer some level of defense. Oedema and root rot are two issues that can result from overwatering.
Can geraniums be kept in pots during the winter?
Geraniums can be overwintered inside in three different ways: as a houseplant, as a dormant bare root, or as cuttings. Your decision will be influenced by the amount of room you have indoors and the range of temperatures you can tolerate. Here is a closer examination of each method.
Overwintering geraniums as houseplants
If you want to keep the entire potted plant and have lots of room close to a window that gets bright, direct light, go with this option. A drafty west-facing window would be the ideal place for your potted geranium to spend the winter because geraniums prefer it chilly (55 to 65 F is optimum).
Wash the foliage well with your hose and repot the plant in new potting soil to prevent bringing unwanted pests from outside. You might also use insecticidal soap, which is sold in most garden centers and hardware stores as well as online. Avoid taking the plant indoors if it shows any signs of pests or illness. Only strong plants have a chance of successfully overwintering indoors.
During the winter, keep the soil wet but not damp. No more humidity is required. If the stems begin to sag, pinch them back to keep the plant compact throughout the winter. When springtime comes around, you may start fertilizing once more and transfer the plant back outside as soon as the temperature reliably rises above 50 F.
Overwintering geraniums as dormant bare root plants
This is the most typical way to overwinter geraniums, but it won’t work unless you have a dark, dry place that stays around 50 degrees throughout the winter.
First, dig up your geranium before it freezes and shake the dirt off the roots. To stop mold from forming, let the plant sit and dry for a few days before storage. Before moving onto the following phase, the roots must be completely dry.
The roots should be kept in a dark, dry place that doesn’t get colder than 45 degrees throughout the winter. Geranium roots should be kept at a temperature of 50 F. You can keep them by doing:
- It has been customary for generations to hang the plants upside-down from the rafters;
- placing them on a shelf after wrapping them in newspaper or a paper bag;
- they were put in a cardboard box.
Step 3: Every month or so, look for mold, black leaves, or limp stems at the roots. Remove any plant or root components that are harmful. Most of the stems should endure the winter in good shape. Before re-storing them if they become too wilted, give them a good bath in water and let them air dry.
Step 4: Reviving your geraniums involves cleaning them up, pruning the stems back to healthy green growth, and replanting them in new potting soil about six weeks before your final frost date. Where the new roots will grow, bury the stems two nodes deep. When you notice fresh growth in one to two weeks, keep the plants somewhat dry; after that, keep the soil moist until the plants are big enough to replant outside.
Overwintering geraniums as cuttings
If your light windowsill area is limited or you are concerned that bringing in your entire potted plant would also attract unwanted bugs, this is a nice technique to try. Additionally, it’s a fantastic way to multiply your existing geraniums.
To trim plants, you’ll need:
- a cutting edge.
- Most hardware stores and garden centers sell rooting hormone, which is sold online.
- Use little terracotta or plastic pots, or recycle a clear takeaway container for roasted chicken.
- If you don’t eat chicken, use clear plastic bags to cover the pans.