How To Develop Cosmos | BBC Gardeners World Journal

Steadily requested questions

My cosmos are very tall and durable, so why have they got no flowers?

In case your cosmos are tall, robust and bushy however with out blooms, they could have been overfed with nitrogen-based fertiliser or grown in soil that’s too fertile. This could trigger cosmos to develop foliage on the expense of flowers. Cosmos flower greatest when planted in full solar and in free-draining, common backyard soil. Crops in shade will even wrestle to flower. Pinching out cosmos crops ought to result in extra blooms.

When do I pinch out my cosmos?

The very best time to pinch out the tops of cosmos seedlings is once they have grown three units of true leaves (fern-like leaves). This may encourage crops to department out and develop into bushier. It also needs to result in extra flower manufacturing.

My cosmos are leggy. How do I prick them out?

Don’t sow cosmos too early and ensure they get loads of gentle to keep away from leggy progress. But when your cosmos seedlings have already develop into leggy, don’t fear. Simply prick out and pot on right into a barely bigger container, planting the seedlings a little bit deeper than they have been. In case you haven’t already pinched out the tops, try this now to encourage bushier progress.