Biennials Sentence Examples

If treated as half-hardy annuals, the seed should be sown in heat in spring, but if treated as biennials, the seed should be sown in August, the plants preserved in the greenhouse till May, and then planted out in rich, sandy loam.

Transplant strong plants of biennials and perennials to their final situations; also the select plants used for spring bedding.

Frequently, as in many Dicotyledons, the primary root, the original root of the seedling, persists throughout the life of the plant, forming, as often in biennials, a thickened tap-root, as in carrot, or in perennials, a much-branched root system.

Remove annuals and second year biennials that have finished flowering.

Teasels are tall biennials, forming a rosette of leaves in their first year, and flowering in their second year.

The Canterbury Bell is one of the finest of biennials, the tall chimney Campanula a very handsome and precious plant for garden or greenhouse.

They are thus grown on as quickly as possible, being treated like biennials.

Ipomopsis - Graceful biennials from California, thriving in light, dry, and warm soils in the milder districts.

Some hybrids will not "come true" from seed, but species annuals and biennials will.

Some herbs are annuals, biennials or perennials.

Others are biennials producing a number of leaves on a very short stem in the first year, and in the second sending up a flowering shoot at the expense of the nourishment stored in the thick tap-root during the previous season.

In the last week, sow hardy annuals in the borders, with biennials that flower the first season, as also perennials.

Transplant from the nursery to their final sites annuals sown in autumn, with biennials and herbaceous plants.

Biennials and perennials should be sown before the middle of the month.

Sow annuals for succession in the last week, also biennials and perennials in the nursery compartment, for planting out next year.

Centaury (Erythraea) - Pretty dwarf biennials belonging to the Gentian family.