Sentence examples for often difficult to grow from inspiring English sources

Co-author Dr Yang Zhang, also from the John Innes Centre, said: "Medicinal plants with high value are often difficult to grow and manage, and need very long cultivation times to produce the desired compounds.

Typical culture media do not contain these compounds, and thus NDS are often difficult to grow.

This may explain why it is often difficult to grow large crystals of porous materials.

The pink lady-slipper is still rare and often too difficult to grow at home.

Because most of the agriculturally important grass species are difficult to study (e.g., they often have large, repetitive genomes and can be difficult to grow in laboratory settings), developing genetically tractable model systems is essential.

Second, because these services generally rely on plugins, there's often a high barrier to entry which can make them difficult to grow virally.

Plants are often difficult to spot, growing on the steepest of grassy slopes (usually with waves crashing on rocks below, and adders all around), and deceptively similar in colour to the fescue turf in which it so often grows.

They are not difficult to grow, but need space.

High-quality GaN crystals were very difficult to grow.

It would be difficult to grow" without them, she said.

They're very difficult to grow and extremely labour-intensive.