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How to Grow Calibrachoa

How to Grow Calibrachoa

Calibrachoa is a popular annual garden plant that flowers continuously from planting until frost and is ideal for containers, hanging baskets or raised beds. These petunia lookalikes offer a wide range of flower colors and patterns that look great alone or in combination with other plants.

Calibrachoa will bloom all summer as long as their needs are met. Keeping them happy is relatively simple: the key elements are sun, fertilizer, soil and water. They perform best in containers with excellent drainage.

Does Calibrachoa like sun or shade?
Calibrachoa plants bloom best with at least six hours of full sun, although they will tolerate partial shade. Without enough light, the number of flowers will decrease, the plants will stretch out, and the foliage will turn light green.

How do you keep a Calibrachoa flowering?
Calibrachoa plants are heavy feeders. Nutrients are quickly leached from the soil with frequent watering, so fertilize regularly for continued flowering. Use a water-soluble fertilizer every two weeks or add a granular slow-release fertilizer to the soil at planting time and top up according to directions.

For containers and hanging baskets, use good-quality, all-purpose soil that drains well. For bed displays, the soil should be well adapted and drain off quickly.

How often should I water my Calibrachoa?
Water Calibrachoa when the top few inches of soil feel dry. In hot, dry weather, they can dry out quickly and may need daily watering. Stick your finger two inches into the soil; When it feels dry, it’s time to water. Soak the entire container so the liquid drains from the bottom. Allow to dry slightly between waterings.

Should I kill Calibrachoa?
Calibrachoa are self-cleaning and do not require deadheads. Occasionally push back the tips to encourage branching, resulting in more buds. To rejuvenate mid-season plants, prune branches to half their length and fertilize to encourage new growth.

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Diseases and pests:
Overwatering can lead to root rot or infection by one of the Phytophthora species, which can kill plants. If plants wilt after watering, it can be a sign of root rot. Heat stress can make plants susceptible to spider mites and aphids.

Deer Resistance:
Calibrachoa doesn’t seem particularly palatable to deer; However, they are not classified as deer resistant.

When to plant:
Plant outside in mid to late spring after all danger of frost has passed.

Where to plant:
Grow alone or in combination with other plants in containers or baskets with well-drained soil. They may also be planted in beds or borders provided the soil is well modified and well drained; However, they perform best in pots.

How to plant:
Place the potting soil in a hanging basket or container. Remove from the pot and gently pull out the roots when they are tied up in the pot. Place 6 to 12 inches apart and firm ground around the base. Water well to thoroughly wet the plant and colonize the soil around it.