Calibrachoa Purple Cow Rooted Cutting Liner

Calibrachoa are originally from South America. A nightshade similar to the Petunia, Calibrachoa produce an abundance of bell-like flowers (which is why many customers call them by the trademarked name millionbells). Calibrachoa have a trailing habit, so your customer may want to use them in hanging baskets. They also work well in containers or as ground cover. Calibrachoa need minimal care and can be grown as a perennial in milder climates.

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Growing Tips

For best results with Calibrachoa, we recommend using a well-drained soil with a balanced fertilizer and a constant feed program of 200 ppm N. Maintain a pH between 5.5 - 5.8. A pH higher than 6.5 will show iron deficiency. Optimal EC of 0.6 to 0.9  (using 2:1 Extraction Method).

Pinching

We recommend that you first pinch Purple Cow 5-10 days after transplanting to your final container. Pinch early and soft to promote good basal branching.

Spacing

Calibrachoa should be spaced adequately to allow airflow and light penetration between the foliage. Usually 2’ centers on baskets will be enough.

Height Control

Apply PGRs early to avoid initial plant stretch and keep a compact habit. An application or two of 2,500 PPM B-Nine (or 10-20 PPM Sumagic) is beneficial. (Note: B-Nine and Florel can delay flowering.)

Pests

Fungus gnats, aphids, and thrips are the primary problem pests with Calibrachoa.

Disease

Purple Cow are not prone to many diseases, but watch for botrytis while the days are short. This grey rot is usually associated with wet or humid conditions. You can prevent botrytis by allowing the plant to dry out between waterings, allowing for good airflow in your greenhouse, and spacing to allow the sun to penetrate to the soil level. The most common chemicals used to treat botrytis are Medallion and Banrot. Use them as a drench according to each label’s instructions.

Planting Purple Cow Liners

1. We recommend planting 5 starter plants per 10 inch basket. Use a well-drained soil in your baskets and plant your starter plants deep, allowing the ellepot to be completely covered by the soil. If you are planting 4” pots, 1 plant per pot should be sufficient. Plant it directly in the middle of your pot.
2. Pinch Purple Cow 5-10 days after transplanting to your final container. Additional pinches every couple of weeks may be required to shape your final pot.

Rooted Cuttings

Cuttings vary in size between different plant families. These rooted starter plants will arrive ready to be transplanted in to your final container. If they are to be used in a landscape application, you will need to establish them in a 4 inch pot or an 1801 before planting outside.

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