Begonia ‘Arcada’





Excellent branching
Compact hanging habit
Full range of colors
Very floriferous!
Attractive, dark green foliage that is less
prone to shipping damage
Begonia ‘Nordic’



Award winning garden performance
Very floriferous!
Large, striking flowers
Arcada & Nordic Begonia Culture Tips
Culture - Propagation of Unrooted Cuttings:














Rooting hormone is not necessary
Before callus formation there should be sufficient moisture in the rooting medium.
Provide media temperatures of 68-72˚F (20-22˚C).
Provide air temperatures of 70-80˚F (21-26˚C) days and 68-70˚F (20-21˚C) nights.
Relative humidity should be 75-90%.
Night mist may be required until callus formation or for 5-7 days.
Maintain 500-1.000 f.c. (5.4-11klux) of light.
Provide 16 hours days of lighting or use night interruption lighting to keep cuttings vegetative.
As roots form fertilize with 50-75 ppm 20-10-20.
In 14-21 days roots should have initiated. At this time misting frequency should be reduced
and night mist should be discontinued.
Increase light to 1,000-2,000 f.c. (11-22 klux).
Increase feed to 200 ppm alternating foliar feeds of 15-5-15 and 20-10-20.
Tone cuttings for 7 days once fully rooting with lower relative humidity and higher light (2,0003,000 f.c. [22-32 klux]).
Cuttings should be fully rooted and toned in 5 weeks.
Culture – Finishing:








Transplant rooted cuttings to a well-drained, sterile media.
Container sizes:
o 4”
1 PPP
o 6” or 1 gallon
1 PPP
o 8” or 10” HB
3-4 PPP
Temperatures:
o Establish warm and continue for 4-6 weeks at 75˚F (24˚C)
o Then reduce to 68-75˚F (20-24˚C) Days and 68-70˚F (20-21˚C) Nights
Light:
o Target 4,000 f.c. (43 klux) with moderate temperatures
o Reduce to 3,000 f.c. (32 klux) if temperatures exceed ideal range
o Shade for late spring production
Irrigation/relative humidity management:
o Keep foliage dry as much as possible
o Irrigation early in the day may lead to foliage burn
o Low relative humidity will burn foliage
Fertility:
o Alternate 150 ppm 15-5-15 Cal Mag and 21-5-20. Fertilizers with low levels of
phosphorus help to reduce stretch.
 Maintain EC at 1.0-1.5 mS/cm and pH at 5.6-6.0. Periodically leach to reduce
salts
Pinching:
o Soft pinch at 2-3 weeks for best plant habit
Spacing:
o Space plants pot tight for 2-4 weeks after transplant
o Space plants when foliage covers the container and before undesirable stretch
o Recommended spacing:
 4”
 6”
 8” and 10” HB




8” x 8”
12” x 12”
18” x 18”
Photoperiod
o Maintain 16 hour days or use night interruption lighting before April 1st until plants are
two-thirds the desired finished height.
o Remove any flower buds that initiate prematurely.
Height control:
o B-Nine, Bonzi, Cycocel or A-Rest. Consult labels for recommended rates.
 Avoid late applications which can distort flowers.
o Responsive to DIF treatments.
o Reduced fertility rates and slight moisture stress will also help control height
Pests and Diseases:
o Pests – Mealybugs, thrips, and whiteflies
o Diseases – Botrytis, powdery mildew, Pythium, Rhizoctonia, and INSV/TSWV
Scheduling from transplant:
o 4”
12-14 weeks
o 6”/gallons
14-16 weeks
o 8-10” HB
14-16 weeks
We hope the information provided will be helpful. It is based upon data and knowledge (including information provided by the recipient) considered to be
true and accurate, but without independent investigation and is offered for the recipient's consideration, investigation and verification, but we do not
warrant the results to be obtained. Please read all statement, recommendations, or suggestions in conjunction with any conditions of sale or use which
apply to any products, or systems recommended by us. No statement, recommendation, or suggestion is intended for any use which would infringe any
patent/copyright.
© 2012 Ecke Ranch