Crop Culture Report: Gaillardia grandiflora Lunar®
Production Seasons: Spring / Summer
Customer Use: Landscape / Perennial Gardens
Garden Height: 10 to 12 inches (26 to 30 cm) Garden Width: 10 to 12 inches (26 to 30 cm)
USDA Hardiness Zone: zone 5 – 10
Crop planning from cell packs:
Pot size: Plants per pot (pp) Crop Time (weeks)
4” pot (10 cm) 1 pp 5 to 7
6” pot (15 cm) 1 pp 9 to 11
pH: 5.5 – 6.2
Fertilizer Requirements: 150 to 200 ppm N using a balanced feed to maintain color of foliage. Include Micro element source as part of fertilizer solution. Ensure proper root growth for flowering by watching EC level and moisture levels. Utilize Calcium and Potassium based Nitrate fertilizers for best quality growth. Magnesium should be incorporated into your fertilizer programs.
Temperature: Temperatures at 55°-65° F (13°-18° C) Nights
65°-80° F (18° -26° C) Days
Light: 4,000 to 8,000 ft-candles -High to medium-high. Short -days creates vegetative growth, Long -days supports flower initiation.
Maintain short days (less than 12 hours) until plant reaches 65% of desired growth / then place under long days (12 hours plus) for flower initiation. Mum night interruption lighting is possible to create long days.
Pinching Requirements: Pinch once established in finished container or in the liner before transplanting.
Growth Regulators: B-9 is the most economical PGR, spray at 1,500 to 3,500 PPM. Gaillardia will respond to Bonzi at 5 to 20 PPM and Sumagic at 20 PPM. Use at labeled rates.
Pests/Disease: Aphids, Leafminor and Whitefly. Mildew, Thielaviopsis, Botrytis, Rhizoctonia & Pythium are of primary concern. Preventative drenches / sprays are recommended for crop.