These primary crops, having reached marketable size, are removed, the ground stirred and the herb plants transplanted from nursery beds or cold frames.
If a large number of plants is desired, a hotbed may be called into requisition in early spring and the plants hardened off in cold frames as the season advances.
Another plan, by which two points are gained, is to grow young plants in good-sized pots and winter them, plunged in cold frames, not failing to give plenty of air.
Transplantings should be made in spring, or tufts may be placed in pots, during the autumn, and put in cold frames, as then they would not suffer displacement by frosts.
It forms a choice specimen for pot culture in cold frames or amongst select rock plants; it should be grown in mostly vegetable mould, as peat or leaf mould, and have a moist position.
It thrives well in a light loam and in slight shade; I have tried it in pots kept in cold frames, where it flowers in mid-winter.
Of those that are liable to suffer injury in winter, as the Brompton and Queen Stocks, a portion should be potted and wintered in cold frames ventilated as freely as the weather will permit.
April, and is a fine plant for pot-culture in cold frames.
Due attention must be paid to shifting well-rooted plants into larger pots; and, if space is desired, many kinds of hardier plants can be safely put out in cold frames.
Towards the end of March remove to cold frames, keeping the lights rather close for a few days, but gradually giving more air until the lights can be taken off for a short time daily.
After growth has started, place them in cold frames.
The plants already raised in boxes to be removed to cold frames.
The plants may be brought still farther forward by transferring them from the hot-bed when two or three inches high to cold frames, having first somewhat hardened them.
When raised in cold frames in the spring, the seed should be planted about the first of April, mats being used to retain by night the solar heat accumulated during the day.
Beds, Flats and Pots Growing plants directly in ground beds in the greenhouse and directly in the soil in the hotbeds or cold frames, is rather common.
Seedlings may be started in hotbed or greenhouse and then transplanted to cold frames to finish the job.
Cold frames may be covered with glass sash as in the case of hotbeds, or cloth may be used.
Soil for use in cold frames should be a well-enriched sandy loam of the type of the usual sandy loam.
Besides the precautions to be observed in watering plants in cold frames, extreme care is necessary to give the plants sufficient air to keep them in a healthy condition.
Indeed many of the choicer and rarer varieties are safer grown in pots of rich sandy soil in cold frames.
Until the stock is large they are probably safer grown in pots in cold frames.
Where it is impossible to grow Ixias successfully in the open air, they may be grown in pots in cold frames or for the decoration of the greenhouse or conservatory.
Seeds, however, are freely produced in most places and should be sown in cold frames as soon as ripe.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "cold frames" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
