Chrysanthemum Production

By: Johnny M. JessupAgriculture Teacher/FFA

Advisor

Introduction• Chrysanthemums are the most

popular cut flower sold in the United States.

• They are very popular as a potted for….• Mother’s Day• Memorial Day• Easter

• 2nd only to poinsettias in $ value for potted flowers.

Chrysanthemum Production

• Many different Cultivars grown• Sunny Linda• Sunny Anna• Sunny Alison• Rusts• Many, many more

Chrysanthemum Production

• Rooted cuttings are available from wholesale growers.

Chrysanthemum Production

• Number of plants per pot depends on the pot size:• 4” pot has 2

plants.• 5” pot has 4

plants.• 6” pot has 5

plants.• Should be equally

spaced and slanted towards the outside at a 45o angle.

Chrysanthemum Production

• During the first 2 weeks….• Potted mums should be spaced 8 inches

apart measuring from pot rim to pot rim.

Greenhouse Temperatures• First 2 Weeks:

• 63oF at night & cloudy days and 70oF on sunny days.

• From 2 Weeks to the 3 Last Weeks:• 62oF at night & cloudy days and 70oF

on sunny days.• Last 3 Weeks:

• 55oF at night & cloudy days and 65oF on sunny days.

Chrysanthemum Production

• Improper temperatures cause uneven bud set.

Chrysanthemum Best Practices

• Pinching• Done to make a more compact plant

with more flowers.• Disbudding

• Done to control or reduce the number of flowers per plant.

Chrysanthemum Best Practices

PINCHING DISBUDDING

Chrysanthemum Production

• Media must be….• Free from diseases

and insects.• Porous and well

drained.

Chrysanthemum Production

• Fertilization• Have a regular program

of liquid fertilization using 250 ppm of 20-20-20 at each watering.

• Watering• Mums should be

watered when the top of the media is beginning to appear dry.

Chrysanthemum Production

• Mums are a short day plant meaning….• They flower when days are short and

the nights are long.

Chrysanthemum Production

• Bud set light period is 14½ hours or less and flower development takes place when daylight is 13½ hours or less.

• Vegetative growth light period is less than 12½ hours.

Chrysanthemum Production

• From August to May 15, light is used during the middle of the night to break the long dark periods.

• From about March 15 to October 20, black cloth is used to give about 12 hours of darkness from about 5 p.m. to 7 a.m.

Chrysanthemums

Designed By:• Johnny M. Jessup; FFA Advisor

• Hobbton High School