Seed is sown in early spring, either in a cold frame or in the open ground, and the seedlings transplanted in early summer.
In the spring a mild hotbed, a cold frame or a nursery bed in the garden may be used, according to the earliness of planting.
In the open ground the drills should be 12 to 15 inches apart, and the seed planted somewhat deeper and farther apart than in the presumably better-prepared seedbed or cold frame.
In cold climates the plants must either be protected or removed to a greenhouse, or at least a cold frame, which can be covered in severe weather.
It should be kept in a cold frame, with plenty of air.
It has also flowered fairly well in the open border fully exposed, but in a cold frame, plunged in sand and near the glass, it has been perfection.
For the first winter the young stock ought to be kept either in a greenhouse or a cold frame, and by the end of the following May they will be ready to plant out.
For spring bedding, sow in July; keep the young plants in a cold frame, and plant out in March or April.
Seed may also be sown in a cold frame in April, or in the open border during May; or the plants may be raised in the windows of the sitting-room.
For exhibition and early use sow in a greenhouse, or in a frame over a gentle hotbed, about the middle of February; prick off into a cold frame, gradually harden off, and plant out in May.
Grow on in the same temperature until mid-March, when they may be transferred to a cold frame to undergo progressive hardening in readiness for planting out at a favourable opportunity in April.
When forward enough, prick out in a bed of light rich soil in a cold frame, and give plenty of air.
The most satisfactory course is to sow in boxes, placed in a cool greenhouse or a cold frame, or even in a sheltered spot out of doors.
Seed of this strain should be sown in March or April, in pots or boxes placed in a cold frame.
The same method holds good for planting seeds in a hotbed, cold frame, or bed in the garden, except that the rows should be farther apart than in the window box.
For winter use sow the seeds rather late and remove the plants, with a ball of earth adhering to the roots, to a cellar or cold frame, and blanch during the winter as required for use.
The area devoted to the hotbed, cold frame, and seed bed should be decided upon, but these may be shifted more or less from year to year or located in some convenient place outside of the garden.
For winter use in cold localities, take up plants that are well laden with heads and set them close together in a pit, cold frame, or cellar, with a little soil around the roots.
We sow in November in cold frame, keep well thinned out under glass until about the 20th of January, then transplant to the open ground, cultivating well with frequent watering if the weather should be dry.
In that locality the seeds are sown by the end of February in a cold frame, to allow protection of the young plants from frost, and the plants are transferred to the open land by the middle of March.
Mr. Brill, of Long Island, states that to secure seed there it is best to winter over the partially headed plants in a cold frameor cellar, and set them out early in the spring.
It should then be slightly watered to settle the soil firmly around the cuttings, and then placed in a cold frame, or on the floor of a vinery, in which no fire is kept during winter.
They can then be placed in a cold frame, or anywhere under glass, to be planted out the latter part of spring, or retained for pot culture.
To this end, keep them dormant through the winter in a cellar or cold frame as before, and prune them early in spring.
Strip off any leaves which may still adhere to them, and plant them in rows, at a depth of about five inches, in a cold frame.
Late in autumn, when growth has ceased, shift the roses again, if they need it, and place them for wintering in a cellar or cold frame.
Sprinkle the seeds regularly over the surface, do not cover with soil, and water with a fine rose; then to be placed in a cold frame, and be kept shaded from the sun.
Water carefully; cut down when out of bloom, and remove them to a cold frame.
Remove all plants intended for bedding out, and let them remain for a short time under the protection of a cold frame, or in beds hooped over, and covered at night with mats, or other such protecting materials.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "cold frame" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
