Schedule Crop - Kniphofia uvaria Glowstick

Kniphofia uvaria Glowstick

Data is gathered from our West Grove, Pa., trials (Zone 6a). Southern growers: expect 1-2 weeks earlier finishing. Northern growers: 1 week slower. Consider summertime scheduling accurate. Dates based on a standard 72 liner size.

Notes/Pitfall Management
Best practice would be to grow in a large liner such as a 32 cell for 12 to 16 weeks for bulking. If using 72 cell liners, 3PPP will fill the container more quickly.

Week color desired

URC stick week

Liner transplant week

Spring/Summer

Gallon
(1 ppp)

Late Spring scheduling only. Growers in the South will have an easier time finishing in Spring than Northern growers. Glowstick is best grown and bulked in a large liner prior to transplanting into gallons. This will reduce time in gallons.

Late-Summer/Fall

Gallon
(1 ppp)

Glowstick is best grown and bulked in a large liner prior to transplanting into gallons. This will reduce time in gallons.

Kniphofia uvaria Glowstick

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Propagation Guide
Media EC/pH:	EC 1.2-1.5 mmhos/pH 5.8-6.2
Soil Temperature:	70-72°F (21-22°C)
Rooting Hormone:	1,000 ppm IBA
Mist:	Low
Fertilization:	50 ppm N when roots become visible
Pinching:	Not necessary.
Transplanting:	12 weeks after sticking
Comments:	May be transplanted sooner than 12 weeks, but bulking in the liner is more efficient than in the finished container.

Finishing Guide
Media pH:	5.8-6.2
Temperature:	68 to 72°F (20 to 22°C)
Light Level (fc):	5,000 to 8,000
Vernalization:	No
Daylength:	Long day obligate
Watering:	Allow media to dry slightly between watering. Overwatering will result in slow bulk.
Fertilization:	Use a balanced fertilizer at a rate of 150 to 175 ppm N. Generally a heavier feeder.
Pinch After Transplant:	None
Plant Growth Regulators:	PGRs not needed
Pests and Fungal Diseases:	Pythium can result from overwatering. Aphids can also be a problem.