Euphorbia martinii Ascot Rainbow PP 21401 Sinningia When winter temperatures stay above

When winter temperatures stay above 15 degrees F

followed by blackberry-like ornamental seed pods

the stalks are topped with short but attractive spikes of small white flowers

It's rate of spread is very modest

grey-leaved

Euphorbia martinii Ascot Rainbow PP 21401 Sinningia When winter temperatures stay aboveFolks who have trialed Euphorbia 'Ascot Rainbow' have been most impressed, especially after it survived a harsh south Michigan winter. Euphorbia x martinii 'Ascot Rainbow' (Euphorbia characias x Euphorbia amygdaloides 'Rubra') was discovered by David Glenn in Australia, but was granted permanent garden worker status in the US. The 20" tall, branching, evergreen stalks are adorned with narrow, glaucous leaves, each edged in an attractive yellow border.