When to plant Reticulated Iris?

Plant reticulated iris bulbs between September and November, while the soil is still workable and before the first hard frosts arrive. Choose a spot in full sun with excellent drainage—these small bulbs are prone to rot in wet conditions, so avoid heavy clay or anywhere water sits after rain. Sandy soil, loam, or chalky soil all suit them well. Before planting, work the soil to a depth of about 15 cm and incorporate some grit or sharp sand if drainage is less than perfect. On heavy ground, consider planting in raised beds or mixing in plenty of coarse sand to improve structure. The bulbs are small, typically 2–3 cm across, and should be planted about 8–10 cm deep (roughly three times their own height). Space them around 15 cm apart, though you can cluster them more tightly in groups of five or seven for a better display—they look rather lost when dotted singly. Plant each bulb with the pointed end facing upwards. If you're unsure, look for the dried remnants of last year's roots at the base. Firm the soil gently over the bulbs but avoid compacting it heavily. Water lightly after planting to settle them in, but don't saturate the ground. Reticulated irises need a dry summer dormancy after flowering, so avoid planting them where they'll receive regular irrigation later in the year. A sunny rock garden, gravel garden, or the front of a well-drained border suits them perfectly. No staking is needed given their short stature, and mulch isn't necessary—in fact, a gravel mulch can help with drainage and keep the necks of the bulbs dry.