Clark's Dictionary of the Dahlia

By: Historic Dahlia Archives

|

Time to read 15 min

This article is adapted from a dahlia catalog published in 1922 by Alt F. Clark of Netcong, New Jersey who calls himself “The Dahliast”.


Although the original work is in the public domain, this article has been edited for the modern reader and may contain new material. This version is Copyright © 2024 by Steve K. Lloyd and may not be reproduced without permission.



Editor’s note: In Clark’s alphabetical list, right there under “S”, is included an entry titled “Announcing the Offering For Sale of the Dahlias, Originated by Mrs. Charles H. Stout”. He is referring to the noted dahlia grower and hybridizer Henrietta Marie Schroeder Stout. She wrote a book, published in 1922, called “The Amateur’s Book of the Dahlia” which will be offered soon here at the Historic Dahlia Archives.


In order to give Henrietta the credit she is due, and to make the list of her dahlia hybrids more easily found online, I have split off Clark’s list of Henrietta’s dahlias into a separate article, called “The Dahlias of Henrietta Maria Stout (1922)” which is linked at the end of this article. When her book goes up on the Archive, I will link that and her dahlia list to one another.

Editor’s note: This article discusses gardening techniques which were commonly recommended at the time of original publication. Please note that some of these may no longer be considered best practices for dahlia growers. While this article contains some excellent information, please remember that it was written more than 100 years ago. Consult modern guides before relying on the techniques discussed here.


Classification of The Dahlia

There are two general divisions of dahlias — single and double. Then there are several subdivisions of these, according to the form or shape of the flower, as follows:


Anemone or Pin Cushion (A)

The most recent “break” in dahlias. One row of large floral rays, like single dahlias, but with each disc flower producing small tubular petals. Medium size. At a distance resemble Pompons but upon closer inspection resemble the blooms of Scabiosa.


Ball or Show (B)

Round, quilled, compact, double flowers, usually of solid color. The old-fashioned dahlia of grandmother's garden — now greatly improved as to color and size. Variegated Ball dahlias are known as “Fancy,” and Ball dahlias not exceeding two inches in size are called Pompons.


Cactus (C)

So called because of the resemblance of the COLOR, not the shape, to a certain Cactus. Fully double flowers distinguished by long, narrow, twisted, pointed petals. The incurved varieties resemble mammoth chrysanthemums, but are suitable for exhibition and garden decoration purposes only. The straight petaled sorts are best for cutting. The so-called Hybrid Cactus are large, coarse flowers with wide, pointed petals.


Collarette (Col)

French origin. One row of petals, like single dahlias, and in addition a frill or collarette of much smaller petals, usually of a lighter color, around the yellow center disc, although there are now pure white and yellow varieties like the kinds called Swallow and Canopus. Single dahlias do not keep well as cut flowers but, strange to say. Collarettes last very well.


Decorative (D)

Large, loose, double flowers, full or nearly full to the center with broad, nearly flat petals. Perhaps the greatest advancement in dahlias has been along the lines covered by this classification.


Duplex (Dup)

Semi-double, with more than nine florets and less than three rows of petals. Might better be described as halfway between a Single and a Peony. “Star” dahlias, grown but little in this country, are about the same as Duplex dahlias, only that they are cup-shaped.


Fancy (F)

Usually a variegated Ball dahlia. Round, quilled or striped. The distinguishing lines between Ball and Fancy are not definitely drawn. Any variegated dahlia is called Fancy.


Mignon (M)

Single flowers on dwarf plants. Used in England, where they originated, for bedding purposes. The total height of the plants does not exceed two feet.


Peony or Art Flowering (P)

Semi-double decorative flower containing two or more rows of cactus or decorative petals. Shows open center. Inner petals usually twist and curl over the yellow center, giving the fancied resemblance of a semi-double tree Peony — from which it takes its name. First grown in Holland.


Pompon (Pom)

Dwarf plants with small, round, double flowers. The same as Ball dahlias except in size. Also the word “Pompon” as applied to dahlias means a dwarf plant.


Single (S) .

The original form of the dahlia. Contains a single row of about eight petals and always shows its center. “Century” dahlias are extra large Singles.

Hybrid Dahlia Seed

Much pleasure can be derived from growing dahlias from seed. They bloom the first year and are the means by which the finest novelties introduced were derived. Easily grown and will bloom in about ten weeks from sowing, or you can plant dahlia seed too late to flower and harvest the tubers to plant and flower the following year.


The creation of just one new variety should be well worthwhile, for it would be yours — to name and introduce. And then there is always the chance of producing a prize-winner that might mean big money for the original propagator. Any of the following seeds, sown this spring, will give this year a garden full of plants, flowers and then tubers.


ANEMONE Varieties, Mixed 5.00


BALL Varieties, Mixed 2.00


CACTUS Varieties, Mixed 3.00


COLLARETTE Varieties, Mixed 1.00


DECORATIVE Varieties, Mixed 3.00


DUPLEX Varieties, Mixed 1.00


PEONY Varieties, Mixed 2.00


POMPON Varieties, Mixed 2.00


Dahlia Information A to Z

Dahlia catalogs as a rule are more or less typographical puzzles. Each class is divided into different sections, such as “New Introductions,” “Colossal Novelties,” “Standard List,” etc., etc. If you happen to be looking for a certain variety, this makes it necessary for you to search all through the catalog before finding what you want.


I believe this is the only catalog—which I call an “Abridged Dictionary of the Dahlia”—containing a straight alphabetical arrangement of varieties.


If you want to look up decorative varieties only, run your finger down the column and you will find over 100 kinds of decoratives — all in the space of a few minutes.


There are about ten thousand varieties of dahlias. I have not attempted to list them all — probably many good ones are omitted. But I have made an effort to list all dahlias that have become standard.


To secure a description of the many varieties of dahlias introduced by the many growers it was formerly necessary to consult many catalogs — each grower is inclined to list his own introductions only.


I try to show, in one catalog, the leading varieties listed by all the leading growers. After such varieties the name of the originator appears — credit where credit is due.


In some cases I give the year of introduction. Any dahlia that is in demand year after year is usually a pretty good dahlia.




Dahlias can be successfully used in parks or where there is sufficient space, for forming large beds, by planting some of the taller varieties in the center, then selecting sorts that gradually work down to the outer border. The height in feet is given in a number of cases as a guide.


I tell the plain, unvarnished truth about dahlias — and nothing more. Good dahlias are good enough to use up all legitimate adjectives upon which I would care to spend postage. 


But I have even left out the adjectives. Words like “wonderful,” “beautiful,” “best,” “exquisite,” etc., add nothing to the description— all dahlias are beautiful.


Give the dahlias garden conditions, a reasonably fertile soil, setting the tubers away from large trees, giving them the same cultivation you would potatoes or other vegetables, and they will produce a perfect forest of bloom.


The dahlia is so easily grown, a flower lover will get more pleasure from a patch of dahlias than from any other flower. No flower has such a great variety in color and form.


Miscellaneous Information Alphabetically Arranged

AMERICAN DAHLIA SOCIETY. A cordial invitation is extended to join the A. D. S. Yearly dues $2.00. Secretary, William J. Rathgeber, 198 Norton Street, New Haven, Conn. 


CULTIVATION. As soon as the plants are up, begin to cultivate. Keep the soil loose just as soon after each rain as possible. Dahlias respond to good care. Only animals and plants are grateful. Man alone deceives and cheats. All is not sentiment in the garden — even though assisted by sunshine and shower, there will be weariness and often disappointment. Each has its antidote. Suppose it is difficult to accomplish all you desire, the pleasure is often in proportion to the obstacles overcome.


CUT FLOWERS. Dahlia flowers can be shipped safely halfway across the continent. Blooms sold from August until killing frost. $1.50, $2.00 and $3.00 a dozen. Also long distance shipment boxes, prepaid to any address, with your card, $5.00 or $10.00 each.


DAHLIA DAY DREAMS. I am neither a lecturer, actor or orator but, for a consideration, I will deliver what might be called an oral dahlia show, entitled “Dahlia Day Dreams.” Garden Clubs, Florists’ Associations, Horticultural Schools, etc., will receive syllabus, terms, etc., upon request.


DISBUDDING. Take off superfluous buds and you will get larger, better and more flowers. Buds are usually borne in sets of threes. Remove the two side buds, thus throwing the strength into the one remaining. Cut every flower with a long stem and so give plants the necessary pruning.


EARLY ORDERS. If you delay ordering until it is about time to plant, you are almost certain to find some of the varieties you wanted are all sold. Orders for tubers booked, for spring delivery, any time during the year. Export orders booked in advance for shipment at the most favorable season according to destination.


EVERYTHING PREPAID. Seeds, single tubers, dozens, as well as “Collections,” sent prepaid at the prices given. No charge for boxing or packing.


GIFT BOX. You will want to remember one or more flower-loving friends, and so I call attention to the “Gift Box.” Each box costs $5.00 and contains twelve extra choice exhibition dahlias — tubers of my personal selection — retail value $7.50 or more. I write a letter to your friend on any day you specify, telling of your gift or enclosing your card, the box being delivered the following spring.

GROW DAHLIAS. Sure you can buy flowers. They are like other people’s children — prettier than yours, perhaps, but not your own. They are only yours by right of purchase and have not been made precious by love and care expended in rearing and safeguarding them. A dahlia you have planted and tended, bursting into bloom, is productive of keen happiness. Only those who raise flowers are susceptible to joys of this kind. So I say it again — Grow Dahlias.


GUARANTEE. I offer strong divisions with one or more eyes. Every tuber is guaranteed to grow. But tubers to be replaced can be shipped the following spring only and all tubers to be replaced must be returned. I send only such stock as is first-class and in good condition. Since I have no control over stock after it leaves my place, I cannot assume responsibility for failures due to improper planting or neglect after tubers have left my hands. I guarantee all stock true to name and in a healthy growing condition when sent out. Any stock which proves otherwise will be gladly replaced or the price therefor returned.


HOT WATER TREATMENT. To revive withered flowers, plunge the stalks in boiling water and leave them in it till it becomes cold. Then cut about one inch from the ends of the stalks. Do not say “it can’t be done” until you have tried it.


LATE PLANTING. I can usually deliver, during July and August, well rooted and fully started dahlia plants of the better varieties. Those who live in the vicinity of Netcong may make a personal selection. Prices range from 50 cents to $10.00 a plant. I cannot issue a list of the varieties but will mail to any address a dozen plants, all different, labeled, at either $5.00 or $10.00 — $40.00 or $75.00 a hundred.


MRS. STOUT’S NEW BOOK. Published by Doubleday, Page & Co., “The Amateur’s Book of the Dahlia,” by Mrs. Charles H. Stout, Short Hills, N. J. Fully illustrated. Contains everything you wanted to know about the dahlia. Price $3.00.

ONE STALK ENOUGH. After planting, if more than one stalk comes up, pull up all but one. Gardeners, for example, do not plant a dozen tomato plants in one hole — they use one plant and leave plenty of space around it — and that is the way it should be with dahlias. People who plant two or three tubers, or even a whole clump, to a hill, would not plant a peck of potatoes or a pint of corn to a hill.


ORDERS. My terms are cash with order. I prefer not to receive C.O.D. orders, but if such are sent they should be accompanied by cash to one-fourth the value of the goods ordered to insure acceptance. Orders taken at the fall shows (some varieties not listed herein), and all others not fully paid, will be sent C.O.D. unless previous arrangements have been made.


PERSONAL SERVICE. Arrangements can be made to secure my personal attendance, consideration and advice regarding plans, sites, soil, selection, planting, cultivation, exhibition, etc., by estates, parks, nurserymen and florists. My charge for this consultation service is $50.00 a day, plus railroad fare. Open time and further information upon request.


PLANTING. Lay tubers flat and cover about six inches. Plants should stand about three feet apart. When you receive your box of dahlias, do not open them and then set aside to dry up. If not ready to plant, place tubers at once in a box of damp (not wet) sand or earth. If a tuber shows no eye, the best and only proper place to start it is in the ground where it is to bloom. The last sentence may not seem of any great importance, nevertheless, it is worth reading again.


REFERENCE WORK. The Abridged Dictionary of the Dahlia is something more than a catalog— quite a few people in the trade say they use it as a standard reference book. It is distributed free, but for those who would like a more substantial form it can be furnished bound in boards for $1.00, and in leather at $2.00.


SAY IT WITH FLOWERS. See Matthew 6:28-29.


SEED. I offer a small quantity of Hybrid Dahlia Seed, in a general mixture, at One Dollar a packet. This seed should produce some good new varieties as the pollination was well done. I try to sow seeds of kindness as well as those of plants — order a package of seeds and I may wrap up some of this spirit with the goods.


SEEDLINGS. Here is something new. I shall have a surplus of seedling dahlia plants left after my own planting, and so offer a limited number at $2.00 a dozen or $15.00 a hundred, postpaid. June delivery only. These plants will be grown from selected hand hybridized seed taken from the best varieties. Every plant is a new variety.


SOIL. Dahlias succeed in almost any soil, but do best in light soil with good drainage. Fertilize after the buds have formed. If soil is too rich when tubers are planted, you may get plenty of perfectly good foliage but not so many flowers. Some of the finest dahlias I ever saw were growing in coal ashes.


SPECIAL. Calling attention to a decorative dahlia I introduced in 1914, named — by permission— Mrs. Vernon Castle. Glowing rose pink, brightened by white. A vigorous grower, profuse and continuous bloomer — flowers large, on good stems. The price — $1.50 each, $15.00 a dozen. Please try this variety.


STOUT. Editor’s note: Please see the Historic Dahlia Archives article “The Dahlias of Henrietta Maria Stout 1922” which is linked at the end of this article.

SUBSTITUTION. I never substitute inferior varieties for those ordered, but should any varieties ordered be sold out, I will fill the order with similar or better varieties, correctly labeled, unless instructions to the contrary are given in the order. If you order after May 1st, please mention varieties you are willing to have substituted should some of those selected be sold out.


TIME TO PLANT. Plant tubers after danger from frost or from May 1st to July 15th. In this locality, I recommend planting about June 1st. Tubers planted in July will flower the same season, as they bloom in from six to eight weeks from the time the tuber is planted. The later the planting the quicker the growth. Last year some of my exhibition flowers came from tubers planted in August.


TUBERS. Some varieties always produce small tubers, toes, roots, bulbs — call them what you choose— while other varieties make large ones. Do not be afraid of small tubers, because they are as good as the large ones.

SURPRISE COLLECTION— At the end of the season I usually have a surplus number of choice dahlia tubers. To those who will send me two dollars I will, after July 1st, send a splendid lot of dahlia tubers — my selection — that will surprise and delight you. The retail value of this collection may be anything between $3 and $10.


VISITORS ALWAYS WELCOME. Netcong is 49 miles from New York City. My gardens are located on Dell Avenue, a ten minutes’ walk from the Lackawanna Railroad station. A cordial invitation is extended to inspect my gardens when they are in bloom. 


People say, “When is the best time to come?” and I always answer that the dahlias are at their best the day before frost kills them. In 1921 killing frost came October 25th; in 1920 on November 12th; in 1919, October 13th; 1918, October 8th; 1917, October 6th, etc. I advocate late planting — and practice it — so have very few blooms during August. 


When the music of the metropolis gets on your nerves, and the glittering lights of the avenue look like signals in a tunnel, come where the sunshine will bleach cynicism out of your system — COME through the open gateway of the country and LOOK at a dahlia field.

Dahlia Tubers for Sale in 1922

Please note that this information is provided for historic reference only. We do not have these dahlias for sale. One dollar in 1922 is worth about $18 today.

Those not fully acquainted with the characteristics of the many varieties of dahlias, but desiring inexpensive, choice, reliable and well varied collections, cannot do better than order some of the following — all excellent values.


Collection “A” — 12 tubers, without labels. Standard varieties, names accidentally lost in handling, $1.


Collection “B” — 12 named varieties, labeled, my selection, no two alike, $2 — worth $3 at retail.


Collection “C” — 9 tubers, my selection, labeled, one each of the following: Cactus, Collarette, Decorative, Duplex, Fancy, Peony, Pompon, Show and Single, $2 — retail value about $3,


Collection “D” — 6 varieties, labeled, $1.


Collection “E” — 12 varieties, or more, of extra choice tubers, very carefully selected, no two alike, all labeled, $5 — retail value not less than $7.50.


Collection “F” — 25 tubers, red, yellow, pink and white. Standard named sorts, but unlabeled. Sold this way to even up stock. $2.50.


Collection “G” — 12 of the best exhibition varieties, my selection, no two alike, labeled, $10.


Color Collection — A White, Yellow, Pink, Red and Maroon, one each, $1. Or any color or colors, $15 per 100.


$1 Collections — 6 tubers, no two alike, various classes, OR, 5, all different, of either Ball, Cactus, Decorative, Pompon, Peony or Single, $1, labeled, my selection. Mixed unlabeled, 12 for $1. Any six $1 collections, $5.


I grow and can supply many dahlia varieties not listed here. Those who do no want to bother picking out the dahlias wanted may leave the selection to me.


This is particularly so if unfamiliar with the many classes and colors of dahlias.


Simply send the amount you wish to spend and tell me about what you want. I am sure you will be pleased with my dahlia selection and with the libral filling of the order.

Related Reading