How to Grow Crocus Sativus. Corms are very similar to bulbs, but corms are specialised sections of the stem. Sow and Plant. Plant in late summer to flower in September/October Plant your corms before the first frost! In order to get the cheery flowers, you have to plant some corms at the right time of the year. Discover exactly when and how to plant Crocus corms and fill your garden with stunning Crocus flowers for most of the year. The appearance of corms differs from bulbs as corms tend to have a flattened shape. This allows the corm to develop a root system before going dormant. The bulbs are small and rounded, with slight pointed tops - plant with the points facing upwards. Tip – Plant Crocus corms in drifts in grassy areas or around other plants for a naturalistic look. Crocus corms will not bloom if the photo period is not long enough to provide solar energy. How to Plant Your Crocus Bulbs. Planting: Plant fall flowering crocus bulbs (corms) in late summer or early fall. They’re good to go under deciduous trees, where they’ll get enough sunlight before most trees have fully leafed out. Spring-blooming crocuses should be planted in the early fall. For autumn blooming crocuses, plant bulbs in late summer. These plants are perfect for pots and borders and will flower from September into November. It suits light shade or can be planted under deciduous shrubs. Pickwick, a striped variety of crocus that blooms in early summer with its lilac and purple flowers. Crocus, genus of about 75 low-growing cormose species of plants of the iris family (Iridaceae). Choose a sunny location with well-draining soil for crocus bulb growing. The best way to achieve this is to plant them just before they will experience those circumstances. Cover with the soil and wait until spring! Make sure they’re spaced twice the bulbs width apart. This is important to prevent the corms from sitting in a bog and rotting. Sandy soils will require some organic amendment to enhance nutrient content. Find a sunny spot in your garden that has good drainage – Crocus bulbs do not like very moist soil. Scientific Name: Crocus spp., mainly C. chrysanthus, C. flavus, C. sieberi, C. tommasinianus and C. vernus. bloom in the fall, winter or spring, depending on the variety, in hues of purple, white, yellow, blue and bi-colored. Crocuses are native to the Alps, southern Europe, and the Mediterranean area and are widely grown for their cuplike blooms in early spring or fall. Roots will form in the autumn. Flowering mainly in late winter to early spring, many crocuses are good in borders or seasonal containers while others are best in a rock garden or alpine house. Robust types provide drifts of colour in lawns and underneath deciduous trees. Even if you live in Zones 5 and below, go ahead and plant saffron crocuses outdoors in a pot at the beginning of August. By: Bonnie L. Grant, Certified Urban Agriculturist. Spring-flowering plants have a long floral tube that Read on for important crocus planting tips. How to Keep Your Garden Looking Fabulous All Winter Long. Crocus can be grown in all but the tropical and dry arid areas, they do grow well in the temperate or Mediterranean type climates. First, dig a hole in your desired area that is two to three times the depth of your bulb. In North America, this is typically in September or October in … Plant in any sunny or partly shaded position in cool, moist, humus-rich soil. Determine planting depth of Crocus bulbs, typically 2" to 3" Space bulbs 3 inches apart for smaller varieties and 6 to 10 inches apart for larger varieties How to Grow Fall Flowering Crocus Throughout the Season Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. Planting times for crocus differ from other species. Avoid heavy clay. Discover exactly when and how to plant Crocus corms and fill your garden with stunning Crocus flowers for most of the year. This prevents early tender shoots from getting zapped by freezing temperatures. By utilizing a trowel, burrow little openings and plant the corms around 3 to 4 inches down. If the ground is dry when you're planting make sure to water it well, but don't let it stay soggy or the bulbs could rot. The biggest reason why crocus flowers don’t do well is overwatering. Here are some of our favourite Spring Crocus varieties: Your email address will not be published. Required fields are marked *. Crocus speciosus ‘Albus’ RHS AGM – an all white form of this autumn flowering species. The process is called vernalization, and most plants undergo some form of it during the cold season; however, some plants don’t even need it to sprout. The 15 weeks of chilling will usually take you into March, which is when daylight hours are increasing and ambient temperatures start to warm. Since crocus is considered a spring bloomer, you need to plant corms in late summer to early fall. Crocus bulbs can be purchased and planted in the late summer through to late autumn for spring blooming. Planting Saffron crocus bulbs can be planting in late summer, fall © Jackie Bale / Getty Images. HOW TO PLANT CROCUS. You can plant them in the lawn, but for proper crocus care, don’t cut the grass until their leaves turn yellow and disappear. Since Autumn Crocus and Spring Crocus bloom during different seasons in the year, these corms need to be planted at their correct times. How to plant crocuses in your garden: Wait until the soil is 60 degrees Fahrenheit or colder. Crocus es un género de plantas bulbosas perennes perteneciente a la familia Iridaceae.Con más de 80 especies, el género está ampliamente distribuido en África del Norte, Asia y … The bulbs (corms) don't store well and should be planted soon after you receive them. Sign up to get all the latest gardening tips! Satisfying the chilling and photo-period requirements are important for crocus bulb growing but so is the actual planting. The chilling period gives the corm the clue that it is not time to grow up through the soil. It would seem that as long as they get in the ground they will grow when it is time, but actually bulbs, tubers and corms require certain conditions to break dormancy. Your email address will not be published. If you live in a warmer climate simply keep your bulbs in the refrigerator until late winter and then plant them out as annuals. How to Plant Fall Flowering Crocus. The spring flowering species … August is the best time to plant in colder locations (zones 3-6). Crocus sativus, commonly known as saffron crocus, is a delicate-looking lavender plant that produces sought-after stigmas. Hundreds of flowers are needed to create even just a tiny amount of Saffron, but the flowers look beautiful even if you don't plan to … Ideally, plant crocus corms 6 to 8 weeks before a hard frost is expected and when the soil temperature is below 60°F (16°C). It is not uncommon to see crocus arise from the snow, but without the right amount of sunlight, the plant will fail to bloom. The planting time for bulbs varies broadly according to their flowering time. How to plant: Plan to plant your crocus bulbs when the ground is consistently below 60 °F (16 °C) in the fall. Here are some of our favourite Autumn Crocus varieties: Spring Crocus bloom from late February into spring, so the best time to get these corms planted is September-November, just before the ground freezes in Winter. Giant Dutch crocus, one of the biggest varieties of crocus which can reach up to 2-4 inches tall. Plant Crocus corms around 4 inches deep in gritty, well-drained soil. New plants can also be obtained through division. Where to plant: Crocus corms can be planted just about anywhere as long as they get full to partial sun and well-drained soil. Crocuses are the first bright surprise in early spring, painting the landscape in jewel tones. When To Plant Crocus Bulbs (Corms) Spring-blooming Crocus are hardy in zones 3-8 and are planted in fall, as long as you can still work the ground. This is usually during September and October in the northern U.S. and Canada, and October and November in the southern United States. A sure sign of spring, crocuses have low-growing, colorful, cup-shaped flowers that are a welcome sight in garden beds and lawns. Interestingly, most plants not only need vernalization but they need increased photo hours to sprout. Depth and Spacing: Crocus look best when they are planted in groups of 3 to 9 bulbs.Space them 3" apart on center and plant 3” deep. Crocus prefer full sun to partial shade and gritty, well-drained soil, sandy loam with composted organic matter. As the spring flowering species flower early, they are great for planting beneath deciduous trees where they will flower before the tree puts on new foliage. Plant the crocus bulbs 6-8 weeks before your last frost date in the fall. Plant them 3-4 inches deep and 2-3 inches apart making sure the pointed side of the bulb faces up. Autumn crocus add a rainbow of colour to the garden as summer flowers start to fade, and Spring Crocus are one of the earliest plants to flower in late Winter. Plant your crocus corms in the fall when your soil has cooled off & the temperature is between 40 to 50 degrees Fahrenheit. Spacing can be as close as 2in (5cm) between crocus bulbs, which look best when planted in groups of seven or more. Why does it matter when you plant your bulbs and corms? Select corms that are healthy and free of disease, mold or damage. Where to plant Crocus bulbs. Crocus. Ideally, the best time to plant a crocus is 6 to 8 weeks before the first expected frost. Ideally, the best time to plant a crocus is 6 to 8 weeks before the first expected frost. Sometimes it … Where, When, and How to Plant Crocus Flower How to Plant a Crocus in a Lawn. Just make sure your indoor plant gets plenty of sunlight, or use a grow light during the day. Make sure to plant Saffron Crocus bulbs at least 6 weeks before chance of frost. Take the temperature of your soil and ensure that it will stay below 60 degrees for 12 weeks or think about planting your crocus in pots. Plant spring-flowering bulbs, such as daffodils, crocus and hyacinths, preferably by the end of September Plant tulips in November Plant hardy summer-flowering bulbs, such as lilies, alliums and crocosmia, in September and October Crocus (Crocus spp.) It will not grow in full shade. Plant bulbs as soon as possible after receiving them. Dig holes and plant the crocus bulbs 3-4" deep and 2-3" apart. We have 772 images of 568 crocus in our Crocus database. Bulbs should be planted 4 in (10 cm) apart or in widely spaced groups of more crowded bulbs. To plant from corms, plant in the fall about 2.5 inches deep and 2 inches apart, 35 to 70 corms per square foot. When planting crocus bulbs, make sure the bulbs are planted in full sun to light (dappled) shade. You should plant crocus around 3 inches separated and ensure the bunch contains 10 to 12 corms. Crocus species and cultivars are mostly very hardy and are easily grown plants that are particularly well suited to rockery planting. Plant them in the open rather than the shade (unless you live in the South) because crocuses like plenty of sunshine. All this signals bloom to the plant and points to the best time to plant a crocus. This allows the corm to develop a root system before going dormant. If soil has too much clay, amend it with bark, leaf litter or compost. Therefore, planting times for crocus must include this factor in addition to the chilling period. The best time to plant autumn-flowering Crocus is late July to September. Purpureus Grandiflorus or purple crocus, a crocus variety with an abundance of violet and purple shades. To plant your bulbs, you should follow these easy steps. … The plant will not emerge if it doesn’t get this combination of correct conditions. Click here to browse or search the plants in this database. Then bring the plant indoors before the first frost, and watch the blooms brighten up your living space within a few weeks. In the garden these bulbs can be planted in the rock garden, in clumps in the border, naturalized into lawns or grown in containers. Don’t plant in dense shade, such as on the north side of structures. Find more gardening information on Gardening Know How: Keep up to date with all that's happening in and around the garden. After planting, water your bulbs well, thoroughly soaking the area. Set out dormant bulbs from late summer to early winter, planting them 3in (8cm) deep. Read the label to see how deep to plant your crocus – This may vary for different varieties of bulbs. The best time when to plant crocus is early in autumn, as soon as you can buy them. The best time to plant autumn-flowering Crocu s is late July to September. Crocuses are most often planted for early spring color, though there are also varieties that bloom in late fall and early winter. Our Garden Planner can produce a personalized calendar of when to sow, plant and harvest for your area. Pre-winter is the best season for developing corms and ensures water it regularly during this season. Pick a spot in your garden that has well-draining soil and gets full sun or partial shade. Plant Type: Perennial flower Light: Full sun Water: Give the crocus flower well-drained potting soil.Keep them dryer in the summer and water them a little more in the fall. Search our blog for tips, tutorials and the top varieties of the season. Plant with the pointed tip facing upwards, cover with soil, and water once done. Save my name, email, and website in this browser for the next time I comment. Spring-flowering bulbs should be planted from early autumn, so they have time to produce new roots before the onset of winter. Crocus requires a minimum of 15 weeks of chilling to break dormancy. Crocus: Plant Care and Collection of Varieties. You need to know when to plant crocus. Plant the corms around 4 inches deep in gritty, well-drained soil. Tip – Plant Crocus corms in drifts in … Temperate Europe and Asia. 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Dig trenches 5 inches deep and plant corms with the flat side down and 1 to 2 inches apart. In the North this will be in September or October, in the South in October or November. For fall-blooming Saffron crocus, plant in late August or September. Any plant that can bloom through snow is a true winner. Plant the corms around 4 inches deep in gritty, well-drained soil. Notes Sign up for our newsletter. Plant the corms about 4 inches deep and 2 to 4 inches apart with the pointed end up. When to Plant: Plant crocus bulbs in the fall, once the weather has cooled down and before the ground has frozen.For best results, plant the bulbs within a month after receiving them. The jewel-like tones of Crocus flowers are just one of the many reasons why these plants are loved by gardeners. Small and rounded, with slight pointed tops - plant with the pointed tip facing.... T plant in dense shade, such as on the North side of the year healthy! 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