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Planting Instructions for Crocosmia (montbretia):

Bloom Time:  Summer Light:  Full sun to part shade
Soil:  Average to loamy, well-drained Moisture:  Average
Planting Depth:  5 to 6" deep, mulch lightly Spacing:  6 to 8" per bulb, 18 - 24" apart as a group

Upon arrival:  Unpack box and check that you have everything on your packing list. Plants packaged in bags should be free from excessive moisture, so if a lot of condensation has formed on the inside of the bag, open and let it air out. Plant everything as soon as possible.

Soil/Location:  Plant your crocosmia bulbs in full sun to part shade in average to loamy, well-drained soil. The soil should be well drained and can be somewhat moist but never wet. Add compost or peat humus to enrich the soil and help with drainage if needed. As with most perennials, remember to keep the soil light and airy, so cover them with loose soil and don't pack it in after planting.

Moisture:  Crocosmia are very drought tolerant and only need occasional moisture when it is very dry.

Spacing:  Plant your bulbs about 6 to 8" apart when planting in groups and the groups should be about 18 to 24" away from other plants.

Depth:  Plant the bulbs with the thin roots pointed down about 5 to 6" below the soil. The soil below the bulbs should also be well-draining, especially in the winter, so sometimes you will need to dig deeper and then backfill lightly to make sure the bulbs aren't sitting on bad soil. In warmer zones they don't need to be quite that deep but this helps with winter protection in the north.

General Instructions:  Enrich soil with compost or peat humus if needed. Mix a couple teaspoons of garden food or bone meal into the planting hole and mix lightly into the soil. Plant the bulbs as listed above, backfill, then water in once. Once they are actively growing it is alright to give them supplemental water once a week or so, as needed, allowing the soil to dry out between watering.

Landscape Uses:  Crocosmia is a bold plant that can be used as a focal point in the middle or back of the garden. Plant it with other summer blooming perennials like coreopsis, tall garden phlox, daylilies, lilies, bellflowers, balloon flowers, and hardy geraniums. Crocosmias add a brilliant accent with brightly colored daylilies, lilies, or coneflowers, or you can cool them down with blue geraniums, lavender, or the silver foliage of caryopteris and butterfly bushes.

Plants can self seed occasionally, especially when they like where they are growing, so in time they can form a dense colony. Bulbs can be transplanted in early spring or fall.

 
 
Hallson Gardens
PO Box 220
Brooklyn, MI 49230
517-592-9450

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