Geranium plants have a variety of requirements that will vary depending on where and how they are grown. Geraniums will withstand moderate light levels but require lots of light to bloom indoors. They also require indoor temperatures of roughly 65–70°F (18–21°C) during the day and 55°F (13°C) at night.
Additionally, these plants need to be planted in potting soil that drains properly. Geraniums need a soil mix with equal parts soil, peat, and perlite when grown outdoors. The soil should be wet and well-draining.
Place your geraniums in a location that receives six to eight hours of direct sunlight per day. Wait to plant these plants until the risk of frost has passed because they need to be shielded from the cold.
Plants should be placed 8 to 12 inches (20–30 cm) apart and at roughly the same depth as the pots they were originally planted in. To help plants retain moisture, mulching is also advised.
Can geraniums be planted closely together?
According to the Missouri Botanical Garden, hardy in USDA zones 10 through 11, ivy-leaved geraniums (Pelargonium peltatum) trail along like their namesake, blooming as they develop. They need protection from the afternoon light because they are heat-sensitive.
To accommodate their long branches, ivy geraniums planted in the ground require up to 36 inches all the way around. Geraniums can be planted closer together if they are being grown in pots since their branches will hang over the side of the container. In an 8-inch container, two plants will produce an abundance of vibrant flowers on twining branches.
Do geraniums enjoy being in a crowd?
Annual geraniums are simple to grow. To grow your best geraniums ever, follow these simple instructions.
- Planting: The majority of geraniums love the sun. A complete day is ideal, with the exception of the warmest regions, when plants benefit from shade during the hottest hours. In all climates, Martha Washington and ivy geraniums require some mild shade, particularly as summer temperatures increase.
- Soil: The best growth results from fertile, well-drained soil. Choose a commercial bagged mix designed for use in containers if you want to grow geraniums in pots. To increase soil fertility and drainage in planting beds, incorporate organic matter into the soil, such as compost, rotten manure, bark fines, or other locally accessible materials. You’ll receive many blooms in return from your geraniums.
- Annual geraniums consume a lot of fertilizer. When planting, incorporate a slow-release fertilizer into the soil in planting beds and pots. Apply a second coat in accordance with the directions on the label. Starting four weeks after planting, many gardeners feed geraniums with a liquid fertilizer every 14 to 20 days.
- Pests: Geranium leaves and flowers can be attacked by aphids, slugs, and caterpillars, but damage is typically minimal. By handpicking or spraying insecticidal soap or Bacillus thuringiensis kurstaki, a natural caterpillar control, these pests are easily managed. In the late summer, whiteflies may damage foliage. They can be found, if any, on the undersides of leaves. Unless you intend to overwinter geraniums, there is no need to cure whiteflies. You run the risk of infecting all of your plants if you bring a geranium with whiteflies indoors. Budworm, a moth larva (caterpillar) that burrows into flower buds and chows down on petals, is the worst problem for geraniums. When blossoms open, the petals are torn or have holes in them. Flowers frequently decay before opening. Due of sprays’ inability to enter flower buds, budworms are difficult to eradicate. Do not overwinter geraniums in pots that had budworms. As soil is where budworms hibernate, if you must conserve them, remove it.
- Geraniums are susceptible to fungal infections, which easily begin on wasted blooms. Regularly remove dead flowers by cutting the stems at the base. Put them in the compost pile rather than throwing them on the ground next to the plants. Any flowers that exhibit mold, whether or not they are fully open, should be removed if wet weather soaks flowers and you observe fuzzy fungus beginning to grow on petals. This prevents fungus from taking control of the plant. Give geraniums plenty of air circulation to help stop disease outbreaks. Keep potted plants in areas with sufficient air circulation and avoid overcrowding plant beds.
- Geraniums can be preserved over the winter by putting indoor potted plants close to a sunny east or south-facing window. or you can root stem cuttings. Dig out plants from pots or beds and shake soil away from roots to overwinter geraniums in a dormant state. Plants should be stored in a paper bag, box, or bucket and kept in a cool, dark area like a fruit cellar, basement, or unheated bedroom. Allow plants to thoroughly dry. Water once in the middle of winter by submerging the rootball. Before placing plants back into their winter quarters, let it drip dry. After all threat of frost has passed in the spring, move geraniums outside. Trim any stems that aren’t growing once new growth appears.
How far apart should hardy geraniums be planted?
Late spring to early summer, with some flowers reblooming all summer long in hues including white, blue, and pink.
Actually, geraniums aren’t geraniums. The annual flower Pelargonium is what most gardeners mean by geranium. I discuss them in the annuals chapter. In New England, true geraniums are hardy perennials with low growth and free flowering that come in hues like blue, white, and pink. Due to the seedpod’s resemblance to the bill of this bird, they are also known as cranesbill geraniums. The flowers develop above the lobed foliage and bloom intermittently throughout the summer. Deadhead the plant on a regular basis. This rambunctious plant extends out a few feet, but pruning and division control it. Bees and butterflies are drawn to the tiny, cup-shaped flowers.
Grow resilient geraniums all around New England. After all risk of frost has past, plant locally acquired transplants or divisions from a friend’s garden in the spring till early October. Although they will still bloom in partial shade and on clay soils, they grow and bloom best in full sun on well-drained, compost-amended soil. In beds, leave a foot between plants.
Each spring, plant hardy geraniums with a layer of compost and lots of water and fertilizer. Mulch around plant bases to prevent weed growth and maintain moisture in the soil.
If deadheaded and pruned after the initial blooming time, hardy geraniums will produce flowers again. If plants are divided every three to four years, they appear neater and blossom better. Dig up the cluster in the spring and separate out 1-foot-diameter portions for replanting or sharing. One of the most low-maintenance perennial plants you can cultivate in your garden is a hardy geranium. However, they are susceptible to powdery mildew in partial shade or during humid summers. To lessen the prevalence of this illness, keep plants clipped, spaced far apart, and clear away the fallen leaves in the fall.
In the perennial garden, hardy geraniums make excellent filler plants. They can fill in next to plants that have done flowering, like peonies and iris, or they can enhance other summer blooming plants, like roses, daylilies, and coreopsis. This is because they sprawl and flower in the summer. Keep hardy geranium trimmed so they don’t look too untidy if you plant them in the front of your flower bed. More trailing plants can be planted along a wall to cascade over the top.
My preferred hardy geranium variety is “Rozanne. This cultivar bears violet-blue flowers on a 2-foot-tall plant.” “Ann Folkard is a magenta colored flower kind that barely grows 8 inches tall and is ideal in a rock garden or along a wall. Johnson’s Blue is another similarly small blue blooming variation. White blooms grow on 12-inch-tall plants in the album.
What occurs if geraniums are planted too closely together?
Kole claims that if you place flowers too closely together, the plants get stressed and more susceptible to disease. Fungus develops if air cannot flow freely and the plants cannot dry out between waterings. The roots may decay. Insects then invade plants that have been stressed out.
In order to maintain a healthy distance between flowers, Level Green personnel will clip some plants as they mature if you decide to place them excessively close together.
How big a plant do geraniums get?
Wish your life had a little more carefree beauty? Plant some geraniums, maybe. Geraniums are beautiful and low-maintenance plants that belong in planters, planting beds, and perennial borders.
Geraniums can be divided into two major groups. Zonal, fancy-leaf, ivy, perfumed, and Martha Washington (or regal) varieties of annual geraniums (Pelargonium species), which often only live for a year, are some examples. Perennial geraniums (Geranium species), which bloom continually from spring to summer, combine striking foliage with attractive blooms that emerge intermittently or continuously.
Where to Plant Geraniums
You must be aware of the type of geraniums you have in order to select the ideal planting location. With the exception of the ivy geranium, which thrives in mild shade, most annual geraniums require a location in full sun. On the other hand, depending on the variety, perennial geraniums can grow in either sunlight or shade. In the country’s southern and western regions, both types profit from shielding from the sun during the warmest time of the day.
What Kind of Soil to Use for Geraniums
Geraniums grow best in healthy, well-draining soil, which is ideal for both perennial and annual geraniums. Improve soil drainage and quality when growing geraniums in planting beds by adding 3 inches of Miracle-Gro Garden Soil for Flowers to the top 6 to 8 inches of native soil. When growing geraniums in pots, Miracle-Gro Potting Mix should be used because it is light and fluffy. For the ideal planting medium, combine garden soil and potting soil in equal portions, or fill raised beds with Miracle-Gro Raised Bed Soil.
How to Plant Geraniums
Starting with young plants, such as the premium geraniums from the Miracle-Gro Brilliant Blooms collection*, is ideal (and simplest). Geraniums, both annual and perennial, benefit from warmth, so postpone planting in the spring until all risk of frost has passed. Once the summer heat subsides in the fall, you can also plant perennial geraniums. Try planting perennial geraniums from late fall to early spring in areas with mild winters.
Geraniums range in height from 4 to 48 inches tall and 6 to 36 inches wide, depending on the variety. For information on the recommended spacing for your type of geranium, consult plant tags. Use a pot that is at least 10 inches across for annual geraniums or at least 12 inches across for perennial geraniums when planting geraniums in pots.
Geraniums should be watered thoroughly after planting, giving the root ball and surrounding soil time to absorb the water.
How to Water Geraniums
Check the soil once a week for annual geraniums, and water when the top inch is dry. During their initial growth season, keep newly planted perennial geraniums in continuously moist soil. With the exception of periods of extreme drought, perennial geraniums can typically thrive on rainfall after they are established.
How to Mulch Geraniums
After planting geraniums, cover the area with a 2- to 3-inch layer of mulch to help keep the soil moist and to prevent weed growth and sun exposure. Use Scotts bagged mulch, chopped leaves, pine straw, or another material that is easily obtainable in your area.
How to Feed Geraniums
Your plants receive an excellent starting dosage of nutrients when you start with rich, nutrient-rich soil. However, you should also feed them frequently all season long for maximum results. Apply Miracle-Gro Shake ‘n Feed Rose & Bloom Plant Food to your geraniums a month after planting to give them the extra boost of nutrition they require for magnificent blooms. Make sure you adhere to label directions.
How to Grow Perennial Geraniums
Even in the coldest climates, perennial geraniums don’t require particular care to survive the winter. After the initial flower flush, cutting perennial geraniums back by around one-third can encourage more blooms. Cut stems back as necessary if hardy geraniums like “Rozanne” or “Pink Penny” spread out too quickly and widely. These vining geraniums can have up to two-thirds of their length removed, and the plants will still grow back. To encourage new growth and prevent wilted leaves, prune cranesbill geraniums to 2 to 4 inches height after flowering.
How to Use Geraniums
Annual geraniums are excellent at stealing the show in planters and flowerbeds. Regal geraniums can resist cool weather and form lovely hanging basket plants, making them an obvious choice for planting in the early spring. Ivy geraniums are very stunning. Geraniums with aromatic leaves are strong in containers and form a lovely patio display where the leaves may be stroked and enjoyed.
In gardens with some shade, perennial geraniums add much-needed color and can thrive next to mature trees. While mid-size perennial geraniums go well with lanky shrubs, shorter perennial kinds create beautiful ground covers.
Are you prepared to begin cultivating geraniums? To learn more about a product, to buy it online, or to locate a retailer near you, click on any of the product links above.
How do I get a bushier geranium?
The majority of geraniums’ lanky growth is the result of inconsistent maintenance pruning. Although geraniums are naturally lanky, woody plants in the wild, we prefer them to be compact and bushy in our homes. A geranium needs to be pruned severely at least once a year to keep it compact and bushy and to keep it from becoming lanky. The better a geranium can maintain an attractive shape, the more frequently you prune it.
Poor lighting conditions can also cause spindly geraniums. In addition to pruning, increasing plant spacing and placing them in full sun can frequently solve the issue.
Leggy geraniums can also be caused by too much moisture. Geraniums should only be watered when the soil feels dry to the touch and should be planted in well-draining soil. Geraniums can become stunted, sickly, and spindly if they are overwatered.
Should you give geraniums daily watering?
Geraniums don’t need daily watering unless the soil where they are planted is evaporating that quickly. When the soil is left to dry out between waterings, geraniums flourish at their best. Overwatering can happen if the soil is kept damp at all times. If you don’t allow the soil dry completely, it can be challenging to determine when it’s time to add extra water.
- Typically, geraniums don’t need daily watering.
- Between waterings, let your geraniums’ soil dry out.
- Delay watering your geraniums if the soil is still wet from a recent downpour or precious watering.
- The soil may dry out in a day of intense heat. In this situation, daily geranium watering is OK.
Ensure that geraniums in pots or other bigger containers are properly drying out in between waterings. If the soil is still wet from the last watering, avoid watering. Several geranium diseases can be brought on by not allowing the soil to dry out between waterings.