Answer
Indoor sweet peas grow in a similar way to their outdoor counterparts, but the height of their plants will depend on the variety you are growing. Some varieties will grow as high as 24 inches while others may only reach 18 inches.
How to Grow Sweet Peas Indoors
Can sweet peas be grown in pots indoors?
Sweet peas are a type of legume that can be grown in pots indoors. They need plenty of water and fertilize with a balanced fertilizer. sweet peas do well in hot climates, but they also do well in cold climates if they are planted in the fall.
How tall do sweet peas get?
The height of sweet peas can vary greatly, with some reaching up to 2 feet tall. While there is no definitive answer to how tall sweet peas get, scientists do have a few theories.
One theory suggests that the high sugar content of sweet peas helps to make them taller, while another theory suggests that the tight clustering of these plants in fields lead to their large heights. Regardless of the reason, researchers are still trying to learn more about this strange topic and what implications it may have for sweet peas’ future.
Can you grow sweet peas in large pots?
Large pots of sweet peas can be grown in many ways, but one way is to purchase sweet peas and grow them yourself. This method is more relaxed and yields more sweet peas.
How tall do sweet peas get before they flower?
The plants reach 3 to 8 feet tall and a spread of 2 to 3 feet. The Missouri Botanical Garden reports that without something to climb, sweet peas grow into low and bushy 2 1/2-foot-tall mounds. Perennial sweet peas have a similar growth pattern, with vines growing up to 10 feet tall.
Do sweet peas need deep pots?
Plant your peas in a container that’s at least 6 inches (15 cm.) deep and 8 inches (20 cm.) in diameter.
Do sweet peas have deep roots?
Sweet peas produce long, tap roots which want to go deep. If the seed is sown in normal cell trays the roots are restricted and form tight mats in the bottom of the cells. These can fail to develop further when the plants are in the ground.
Do I need a trellis for sweet peas?
Because Sweet Peas are vining, they need support to grow up and flower. Many types of structures can work such as a trellis, supports with mesh or twine, or fences. They need a structure that is well anchored in the ground to support the weight of the vines.
Can sweet peas grow in a hanging basket?
If you have limited space in the garden, flowering sweet peas look fantastic tumbling out of hanging baskets.
How do you grow sweet peas indoors?
Indoors you can place them by a window as long as they will not experience extreme heat from the sun during the day. Cooler night temperatures by a window are not a problem for sweet peas. You can also use fluorescent lights. However, plants should be about 6- 12 in.
How much space do sweet peas need?
Plant sweet peas in full sun and well-drained soil.When planting sweet pea seeds, Godfrey says they should be sown about one-inch deep and spaced three-to-four-inches apart to ensure they have plenty of space to grow. “Plant in rich, well-draining soil,” he adds.
How often should you water sweet peas?
Sweet peas rarely need watering more than once a week, but you need to maintain even moisture throughout the growing season. They do not like hot weather, so water them regularly in the summer, but do it early in the day to prevent buds from dropping, yielding and fewer flowers, and to prevent plants from scorching.
Do sweet peas come back every year?
Perennial sweet peas: Perennial sweet peas come back year after year. You do not need to replant them after the growing season ends, and they will continue to grow for a longer period of time.
What month do sweet peas bloom?
The main flowering season for sweet peas is June and July but they can start earlier or go on later, depending on when you sowed and planted them . Keep watering, feeding and deadheading to prolong their season.
Why are my sweet peas not growing taller?
Peas are not difficult plants to grow, but they are particular about weather and soil conditions. If your peas have stunted growth or aren’t flowering, the problem could be as simple as hot temperatures or as complex as a nutrient deficiency.
Do sweet peas rebloom?
There are annual and perennial types of sweet pea flowers. The annuals, Lathyrus odoratus, are usually highly fragrant climbers that last for one season and have to be sown fresh every year. The perennial or ‘everlasting’ types, Lathyrus latifolius, come back every spring, but most have little to no scent.
Do sweet peas need root trainers?
To sow the sweet peas, you will need long, thin pots known as root trainers – see Gro-sure Visiroot 4 Deep Cell Kit. Sweet peas like to grow long roots, so deep pots like these are perfect. Fill the root trainer with seed compost such as Gro-sure Seed & Cutting Compost.
Why is my sweet pea leaves turning yellow?
If your sweet pea’s leaves are turning yellow, it’s generally an indication that the bottom of the plant has been over-watered. Another cause could be the compost being too rich, which leads to the roots of the plant burning.
Can I grow sweet peas in a window box?
Sow seeds directly in deep containers at least 8 inches in diameter, or rectangular window boxes at least 6 inches deep once danger of hard frost is over. Sweet peas grow best in cool weather and can handle light frosts.