Avoid transporting or planting seeds and plants that one can't identify.

With much cloud, mist and rain, and little sunshine, cereal crops seldom ripen and so the farmers avoid planting them.

Others avoid planting them.

In the past it has sometimes been difficult to avoid planting directly on to the marginal shelf, especially in pre-formed pools.

An alternative is to avoid planting the bulbs that the creatures devour, which usually means limiting spring bulb displays to daffodils.

Growers should avoid planting susceptible bulbs, seeds, or seedling during seasons of peak nematode infection.

Also, avoid planting yew, a favorite browse shrub.

Grows vigorously in Sydney but I would avoid planting in the open if you get frost in your area.

Avoid planting trees too close to the house.

Avoid planting in arid areas if irrigation is not available, or places where extreme temperatures are the norm.