7 - Kalanchoe blossfeldiana

Question 1

Explain the potting of Kalanchoe blossfeldiana.

Answer 1

• Potted into 9cm pots when they are rooted, using a growing media (e.g. John Innes No.1)
• All pots and media must be sterile
• Plants should be graded and any damaged material removed
• The plant should be potted upright in the centre of the pot, to a level just above the top of the roots
• Firm in.

Question 2

Explain the repotting of Kalanchoe blossfeldiana. (e.g. into a 1L pot)

Answer 2

• Use John Innes No.2. or a multi-purpose growing media
• Repot once roots have filled the original pot

Question 3

Explain the watering of Kalanchoe blossfeldiana.

Answer 3

• If the pot is light when you lift it, or if the growing media has shrunk away from the sides, it’s time to water (it means the growing media is dry)
• Can be watered overhead or by capillary watering moderately during the growing season and just keeping it moist during winter.

Question 4

Explain the feeding of Kalanchoe blossfeldiana.

Answer 4

• Required to ensure the plant has adequate nutrients (e.g. NPK)
• Can be provided by inclusion of a compound controlled release fertiliser in the growing media or applied as a liquid feed through irrigation system.

Question 5

Name and explain the control of a pest that affects Kalanchoe blossfeldiana.

Answer 5

• Aphids or mealy bugs
• Can be controlled by the use of soft soap or good crop hygiene, providing optimal conditions for the plant.