Kniphofia

Culture Sheet

Grade #1

Container:

Premium 1 Gallon Pot

When to Plant:

Late winter to spring

Finish:

10-12 weeks

72ct

Container:

Trade 1 Gallon Container

When to Plant:

Late winter to spring or mid to late summer

Finish:

10-12 weeks

Growing Temperature:

65-68° F

Holding Temperature:

50-60° F

Soil PH:

5.5-6.5

EC (What is EC?):

2.0-3.0

Fertility:

Feed with a moderate rate of 100-150 ppm N at each watering.

Vernalization:

Cold beneficial but not required. If desired, provide 6-8 weeks of temperatures below 45° F.

Pests & Diseases:

Aphids, spider mites and thrips are the most common insects growers are likely to see during production. Rust, Alternaria, Botrytis and Sclerotium are the most common diseases to infect kniphofia.

Potting & Timing:

Late summer planting of small plugs is best. Bare root works well for spring planting.

Moisture:

Moderate moisture is best. Media can be allowed to dry slightly between waterings.

Planting Level:

Crown level with soil line.

PGRs/Pinching:

Spray applications of 30-45 ppm paclobutrazol (Bonzi, Paczol or Piccolo) or 5-7.5 ppm uniconazole (Concise or Sumagic)
Multiple applications may be required.

Lighting:

Long day beneficial.
14-16 hour daylengths reduce the time to flower.