2018-2019 Horticultural Catalog

Fertilizers
Aluminum
Sulfate – 57.6%
• Produces blue flowers
on hydrangeas
• Contains 14% sulfur
• Acidifying action makes iron in
the soil more available in plants
• Amount used dependent
on pH of medium
• Average use rate 1/2 - 1 lb
per 10 sq ft
• Use 1 lb to 5 gallons of water once
a week for 5 - 7 weeks
• Do not use in excess or toxicity
could result
Price per Each
Size Catalog # 1-9 10 & up
50 lb 07-00500 $ 33.90 $ 32.21
Calcium Nitrate –
15.5-0-0
(Greenhouse Grade)
• Greenhouse grade calcium nitrate is a
refined, prilled (uncoated) highly soluble
material (0.2% or less insoluble)
• It is an ideal source of water soluble
nitrogen and calcium for greenhouse
liquid feeding programs
• Does not alter pH of medium
• Used to promote aggregation of soil
colloids and to control blossom end rot
in tomatoes
• Supplies about 19% calcium
• 17 oz to 100 gallons of water gives 200 ppm
Catalog Price per Each
Size Number 1-9 10-48 49 & up
50 lb 07-03550 $ 29.40 $ 27.20 $ 23.60
CalOx
Micronized Calcium
Carbonate – Flowable
Lime
• 70% Calcium Carbonate, 28% Calcium,
0.6% Magnesium Carbonate
• Formulated to immediately raise and
stabilize soil pH for more than 35 days
• Can be used in foliar, soil, post-harvest
or chemigation applications to prevent
and correct calcium deficiencies in
crops and plants
• Easily direct injected as a drench application and won’t clog lines
• Alternative to bagged lime
• For use on all types of agricultural field crops, greenhouse
ornamentals and vegetable crops, as well as outside nursery
and hay fields
• Can be used to supply additional calcium to crops such as
tomatoes, potatoes, cabbage and lettuce that require large amounts
• Apply before fruit formation and continue throughout growing season
• Field, vegetable and fruit application rates:
Soil: 5-10 gallons/acre in sufficient water (25-100 gallons)
Foliar: 1-5 gallons per acre in sufficient water (25-50 gallons)
• Ornamental application rates:
Soil drench: use at a 100:1 ratio. 3-10 fl oz/1,000 sq ft
Foliar: 3-16 fl oz/1,000 sq ft of plant area mixing in
sufficient water (1-2
gallons per 1,000 sq ft) Size Catalog # Each
2.5 Gal 07-04900 $ 64.25
5 Gal 07-04910 121.00
SHIPPED FOB: Georgia
800-325-3055
Dr. Iron
• Corrects iron deficiency
• Won’t stain concrete or burn foliage
• OMRI Listed - Environmentally friendly
• Apply 3.5 lbs per 1000 sq ft
• Controlled release for season-long feeding
• May be used on lawns, flowers,
vegetables, trees, shrubs and more.
Price per Each
Size Catalog # 1-7 8 & up
7 lb 65-27770 $ 12.50 $ 11.56
1-3 4 & up
21 lb 65-27750 25.00 23.13
40 lb bags available by special order
Dyna Green Nutri-Blend 4-6-3
All-purpose organic
fertilizer derived from
feather meal, soft rock
phosphate,
calcium carbonate,
alfalfa meal, diatomaceous
earth and
sulfate of potash.
Light: 7 lbs per 1,000
sq ft or 1/4 cup per
plant
Normal: 12 lbs per
1,000 sq ft or 1/3
cup per plant
Heavy: 25 lbs per
1,000 sq ft or 1/2
cup per plant
Nature Meal
4-6-3
All Purpose
All Natural Fertilizer for Plants
100% ORGANIC
®
Ferromec AC 15-0-0
Liquid Iron
• A fast-acting source of iron, can be used
for rapid plant green-up on trees, shrubs,
turf and other herbaceous plants
• Ferromec is readily available to the plants
• Use as a foliar spray on trees including
maples, pin oak and sweet gum at 1⁄2
gallon per 100 gallons of water
• May also be applied directly to the soil
on shrubs such as azaleas, camellias,
pyracanthas and rhododendron using 5-6
oz for small shrubs and 10-12 oz for large
plants in 3-5 gallons of
water. Apply directly
underneath and with
water in well
www.hummert.com
Price per Each
Size Catalog # 1-9 10 & up
40 lb 65-28110 $ 57.25 $ 53.25
Epsom Salts
Magnesium Sulfate
• Absorbed through leaves and roots to
promote chlorophyll
• Completely natural - Perfect for organic
gardeners in place of other fertilizers
• Foliar application: 1/4 cup per 1-2 gallons of
water. Soil application: 1/4 cup to base of
plant in early spring
• Epsom salts are also ideal for soothing sore
muscles by soaking
Price per Each
Size Catalog # 1-5 6 & up
4 lb 07-11550 $ 10.55 $ 9.75
Larger bags available
see page 189
Price per Each
Size Catalog # Each 2 & up
2.5 Gal 07-05760 $ 38.20 $ 35.25
187
fertilizers