Jacob's ladder 'Blue Pearl'

Polemonium caeruleum

How to grow Jacob's ladder 'Blue Pearl'

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Keep in mind when planting that Blue Pearl is thought of as hardy, so this plant will survive close to or on freezing temperatures. Blue Pearl tends to grow best in a soil ph of between 5.5 and 7.5 meaning it does best in weakly acidic soil - weakly alkaline soil.

Growing Blue Pearl from seed

Ensure a seed sowing distance of 7.02 inches (18.0 cm). Soil temperature should be kept higher than 19°C / 66°F to ensure good germination.

By our calculations, you should look at sowing Blue Pearl about 56 days before your last frost date.

Transplanting Blue Pearl

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Blue Pearl is a hardy plant.

Harvesting Blue Pearl