CHICAGO American Bulb Company NEW YORK ¢ 
TIME TO SOW AND CULTURAL HINTS 
The following information will, we hope, prove of assistance to growers, primarily as a reminder of 
when to sow Flower Seeds of most important kinds, likewise a few suggestions as to culture of same. 
See alphabetically arranged list in this book for details and prices with regard to the respective sorts. 
(A) indicates Annual; (B) indicates Biennial; (P) indicates Perennial. 

SEEDS TO SOW IN JANUARY 
Acroclinium (for cutting) 
Agathea (for cutting) 
Ageratum 
Aloe Variegata (for pot culture) 
Antirrhinum (for cutting) 
Asparagus Sprengeri 
Asparagus Plumosus Nanus 
Balsam (Bush var.) (for pot culture) 
Begonias 
Browallia (for pot culture) 
Calendulas (for cutting) 
Candytuft (for cutting) 
Campanula (Annual, for pot culture) 
Carnation (Annual, for plants) 
Centaurea (Candidissima (Dusty 
Miller) 
Gymnocarpa (Dusty Miller) 
Cyanus (for cutting) 
Chrysanthemum (Annual) 
Cineraria Maritima (Dusty Miller) 
Clarkia (for cutting) 
Cobaea Scandens 
Coleus Glory 
Cuphea 
Cynoglossum (for cutting) 
Dahlias Unwin (fine pot plants) 
Daisy Bellis (B) 
Dracaena Indivisa 
Delphinium (P) 
Exacum (for pot culture) 
Sown in January Benching 
Antirrhinum March 
Begonias (Seed) Jan. 
Browallia March 
Candytuft & Nemesia Jan. 
Centaurea Cyanus Feb. 
Clarkia Jan. 
Gypsophilia Jan. & every 
two weeks 
Kalanchoe 60°-65° March 
Lupinus Jan. 
Petunias Jan. 
Salvia Feb. 
Solanum March 
Stocks March 
Sweet Peas Jan. 
Torenia Feb. 
Gypsophila (Annual) 
Impatiens (fine for shade) 
Kalanchoe 
Larkspur (Annual, for cutting) 
Leptosyne (for cutting) 
Linaria (for combination) 
Lobelias 
Marigolds 
Mimulus (for pot culture) 
Nemesia (for combination) 
Nasturtiums 
Nierembergia Hippomanica 
(for pot culture) 
Pansies (A. B. C. De Luxe Mixed) 
Pennisetum (Ornamental Grass) 
Petunias 
Pentstemon (Sensation) (Var.) 
Phlox (Combinations) 
Salpiglossis (for cutting) 
Salvia 
Schizanthus A. B. C. Mother’s 
Favorite 
Smilax 
Solanum (Xmas Cherry or Pepper) 
Stocks Column and Branching 
Sweet Peas (Early Spencer & Inter- 
mediates) 
Torenia (for pot culture) 
Verbena Dwarf (for combinations) 
Vinca Rosea (plants) 
Viola Cornuta 
Blooming Culture 
April-June Pinch February 15th. 
Aug.-Dec. 
May-June 
May-June Sow directly in flats, 
bench. 
April One pinch. 
April-May Grow 2” or shallow 
flats. Poor soil. 
March 15 Sow directly in flat or 
bench. 
Dec. 1-15 Shade 3 hrs. Aug. 15- 
Oct. 1. 5-8 P.M. 
April 
April-June 
July-Aug. Keep bushy. 
Berried Dec. Pinch March. 
Memorial Day Grow below 50°. 
April-June 
June-July Pinch March. 
SEEDS TO SOW IN FEBRUARY 
Ageratum (Blue Cap) 
Antirrhinum (Tom Thumb for com- 
binations) 
Asparagus Plumosus 
Asparagus Sprengeri 
Asters (for forcing) 
Calendula j 
Campanula Annual 
Candytuft (Dwarf for combinations) 
Carnation Annual (for plants) 
Centaurea Candissima (Dusty Miller) 
Centaurea Cyanus 
Dahlias Unwin (for plants) 
Delphinium (P) 
Dracaena Indivisa 
Gypsophila Annual 
Larkspur 
Linaria (for combinations) 
Marigold (Dwarf for combinations) 
Sown in February Benching 
Marigolds April 1 
Primula April 
Stocks April 
Sweet Peas February 
Mignonette (for cutting) 
Mimulus (for pots) 
Nasturtiums 
Nemesia (Combination) 
Nierembergia 
Pennisetum (Ornamental grass) 
Petunias 
Phlox (Dwarf strain for combinations) 
Poppies (Annual) 
Primula Obconica 
Salpiglossis (for cutting) 
Salvia (for plants) 
Stocks 
Sweet Peas (Late varieties) 
Thunbergia (Vine) 
Torenia (for pot plants) 
Verbena 
Vinca Rosea (plants) 
Zinnia (for cutting inside) 
Blooming Culture 
May 15 
October Do not use peat. 
June Grow below 50°. 
May-June 
SEEDS TO SOW IN MARCH 
Aloe Variegata (for pots) 
Alyssum 
Antirrhinum (for plants) 
Asparagus Plumosus 
Asparagus Sprengeri 
Asters (for forcing 
Calendula 
Cardinal Climber 
Clarkia (for cutting) 
Celosia (Dwarf for combinations) 
Centaurea (Cyanus outside) 
Dahlia Unwins 
Delphinium 
Dimorphotheca (for plants) 
Dracaena 
Gomphrena (Combination pots: 

48 

SEEDS TO SOW IN MARCH (Continued) 
Grevillea Robusta (Filler) 
Gypsophila (A) 
Helichrysum 
Ipomea Clarks Early Heavenly Blue. 
Larkspur (outside) 
Lupinus 
Marigolds 
Mesembryanthemum (pots) 
Nasturtiums 
Petunias 
Phlox (combinations) 
Primula Obconica 
Sown in March Benching 
Antirrhinum May 15 
Asters May 15 
Primula May 
Zinnias April 
Primula Sinensis 
Salpiglossis 
Salvia 
Scabiosa 
Solanum 
Statice Sinuata 
Sweet Peas (outside) 
Tithonia (Early Flowering) 
Venidium (plants) . 
Verbena 
Zinnia (for cutting inside) 
Blooming Culture 
July & later 
July Do not pinch. 
Dec. 25 Do not use peat. 
May 20-June 
SEEDS TO SOW IN APRIL 
Asparagus Sprengeri 
Asparagus Plumosus Nanus 
Asters 
Balsam Bush var. 
Calendula 
Celosia 
Centaurea Annual Sorts 
Cosmos 
Delphinium (P) 
Dianthus Annual Pinks 
Euphorbia Variegata (for cutting filler) 
Gaillardia (A) 
Gypsophila (A) 
Sown in April Benching 
Annual Gypsophila Flatted May 15 
Asters (late April) June 1 
Lupinus April 
Primula June 
Zinnias 15th Late April 
Ipomea Heavenly Blue (Clark's early} 
Lupinus (A) 
Marigolds 
Nasturtiums 
Nicotiana 
Primula Obconica 
Primula Sinensis 
Saponaria ‘’Pink Gypsophila” 
Scabiosa 
Statice Sinuata 
Strawflower Helichrysum 
Tithonia (Early Flowering) 
Zinnia 
Blooming Culture 
June-July 
July 
May 30 
Jan.-Feb. 
June 1-June 10 
Do not use peat. 
SEEDS TO SOW IN MAY 
Antirrhinum Ghse. var. 
Asparagus Plumosus 
Asparagus Sprengeri 
Calendula (outside for cut) 
Campanula medium sorts (B) 
Delphinium (P) 
Digitalis (B) 
Exacum (pots and combinations for 
Fall on) 
Sown in May 
Primula Obconica 
Zinnias 
Benching 
July 
Early May 
Forget-Me-Not (for Jan. flwg.) 
Gourds 
Gypsophila (A) (for cutting) 
Lupinus Annual (outside) 
Primula Malacoides 
Primula Obconica 
Scabiosa (outside for cutting) 
Zinnias (outside for cutting) 
Blooming Culture 
Jan. & later 
June 10-20 
SEEDS TO SOW IN JUNE 
Achillea (P) 
Alyssum Saxatile (P) 
Anthemis (P) 
Antirrhinum (Greenhouse var.) 
Aquilegia 
Arabis (P) 
Asparagus Plumosus 
Asparagus Sprengeri 
Asters (P) 
Aubrietia (P) 
Begonias (for Xmas plants) 
Calceolaria 
Campanula Calycanthema (B) 
Candytuft 
Carnation (P) 
Cineraria 
Coreopsis (P) 
Cyclamen 
Centaurea (P) 
Daisy Shasta (P) Single & Double 
Delphinium (P) 
Dianthus Barbatus (B) 
Sown in June Benching 
Antirrhinum August 
Cinerarias August 
Sweet Peas June 
Digitalis (B) 
Doronicum (P) 
Dracaena Indivisa 
Gloxinia 
Gaillarda (P) 
Gypsophila (for cutting) (A) 
Helenium (P) 
Helianthemum (P) 
Heuchera (P) 
Lunaria (P) 
Lupinus (P) 
Lychnis (P) 
Matricaria (P) 
Primula Chinese 
Primula Malacoides 
Primula Obconica 
Pyrethrum (P) 
Scabiosa (P) 
Statice (P) 
Sweet Peas (early Flwg.) 
Viola Cornuta (B) 
Wallflower 
Culture 
Pinch to 3 or 4 sets of 
leaves , no higher to 
avoid spindliness. 
Do not pinch. 
Run rows N. & S. for 
winter blooming. 
Blooming 
Dec. 
Early Jan. on 
Sept. & Dec. 
