General Information

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  • January
  • February
  • March
  • April
  • May
  • June
  • July
  • August
  • September
  • October
  • November
  • December

  January 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. 3. Pest/Disease Inspection Check for aphids when weather is mild. 4. Treat for Pest/Disease Remove aphids with a strong spray of water.

  February 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. 3. Pest/Disease Inspection Check for aphids when weather is mild. 4. Treat for Pest/Disease Remove aphids with a strong spray of water.

  March 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water Keep soil moist but not soggy during bloom. 3. Prune Cut out dead leaves at their base. 4. Pest/Disease Inspection Check for aphids and whiteflies. 5. Treat for Pest/Disease Spray aphids and whiteflies with insecticidal soap.

  April 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water Keep soil moist but not soggy during bloom. 3. Prune Cut out dead leaves at their base. 4. Pest/Disease Inspection Check for aphids and whiteflies. 5. Treat for Pest/Disease Spray aphids and whiteflies with insecticidal soap.

  May 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water Keep soil moist but not soggy during bloom. 3. Prune Cut out dead leaves at their base. 4. Pest/Disease Inspection Check for aphids and whiteflies. 5. Treat for Pest/Disease Spray aphids and whiteflies with insecticidal soap.

  June 1. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 2. Water Keep soil moist but not soggy during bloom. 3. Prune Cut out dead leaves at their base. 4. Pest/Disease Inspection Check for aphids and whiteflies. 5. Treat for Pest/Disease Spray aphids and whiteflies with insecticidal soap.

  July 1. Buy Buy iris rhizomes when they are available in the nursery or via mail-order. 2. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 3. Water Keep soil moist but not soggy during bloom. 4. Prune Cut out dead leaves at their base. 5. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  August 1. Buy Buy iris rhizomes when they are available in the nursery or via mail-order. 2. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 3. Water Cut back on watering six weeks after plants finishing blooming. Water in-ground plants once a week and water containerized plants twice a week. 4. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  September 1. Buy Buy iris rhizomes when they are available in the nursery or via mail-order. 2. Plant Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. 3. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 4. Water Water in-ground plants once a week and water containerized plants twice a week. 5. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  October 1. Buy Buy iris rhizomes when they are available in the nursery or via mail-order. 2. Plant Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. 3. Fertilize Feed once with a fertilizer designed for bulbs, such as a 6-20-20. 4. Water Water in-ground plants once a week and water containerized plants twice a week. 5. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  November 1. Plant Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. 2. Water In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. 3. Pest/Disease Inspection Check for aphids when weather is mild. 4. Treat for Pest/Disease Remove aphids with a strong spray of water. 5. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  December 1. Plant Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. 2. Water In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. 3. Pest/Disease Inspection Check for aphids when weather is mild. 4. Treat for Pest/Disease Remove aphids with a strong spray of water. 5. Transplant Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

• Buy When's the best time to buy this plant? When can you buy these from seed (if you can)? When is it usually available? What are things to look for when you're buying it? Or anything other tidbit of information you can share! July Buy iris rhizomes when they are available in the nursery or via mail-order. August Buy iris rhizomes when they are available in the nursery or via mail-order. September Buy iris rhizomes when they are available in the nursery or via mail-order. October Buy iris rhizomes when they are available in the nursery or via mail-order.

  Plant When's a good time to plant this plant or bulb? Any special planting instructions? July Plant iris in a sunny spot with excellent drainage. If you have clay soil, plant in raised beds or opt for containers. August Plant iris in a sunny spot with excellent drainage. If you have clay soil, plant in raised beds or opt for containers. September Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. October Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. November Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. December Plant in a full sun to light afternoon shade location with excellent drainage. If you have clay soil, plant in a raised bed or a container. Space 1 to 2 feet apart and plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  Fertilize When should you fertilize this plant? Which kind of fertilizer do you recommend? Should you use different fertilizers at different times of year? January Feed once with a fertilizer designed for bulbs, such as a 6-20-20. February Feed once with a fertilizer designed for bulbs, such as a 6-20-20. March Feed once with a fertilizer designed for bulbs, such as a 6-20-20. April Feed once with a fertilizer designed for bulbs, such as a 6-20-20. May Feed once with a fertilizer designed for bulbs, such as a 6-20-20. June Feed once with a fertilizer designed for bulbs, such as a 6-20-20. July Feed once with a fertilizer designed for bulbs, such as a 6-20-20. August Feed once with a fertilizer designed for bulbs, such as a 6-20-20. September Feed once with a fertilizer designed for bulbs, such as a 6-20-20. October Feed once with a fertilizer designed for bulbs, such as a 6-20-20.

  Water Is there a time to reduce or increase watering? Any special requirements? Things to avoid during certain times of the year? January In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. February In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. March Keep soil moist but not soggy during bloom. April Keep soil moist but not soggy during bloom. May Keep soil moist but not soggy during bloom. June Keep soil moist but not soggy during bloom. July Keep soil moist but not soggy during bloom. August Cut back on watering six weeks after plants finishing blooming. Water in-ground plants once a week and water containerized plants twice a week. September Water in-ground plants once a week and water containerized plants twice a week. October Water in-ground plants once a week and water containerized plants twice a week. November In the absence of rain, water in-ground plants every two weeks and containerized plants weekly. December In the absence of rain, water in-ground plants every two weeks and containerized plants weekly.

  Prune When's a good time to prune this plant? How about deadheading, pinching back, trimming or any other grooming? Any special requirements? March Cut out dead leaves at their base. April Cut out dead leaves at their base. May Cut out dead leaves at their base. June Cut out dead leaves at their base. July Cut out dead leaves at their base.

  Pest/Disease Inspection What are the common problems this plant will face and when should you look for them to appear? January Check for aphids when weather is mild. February Check for aphids when weather is mild. March Check for aphids and whiteflies. April Check for aphids and whiteflies. May Check for aphids and whiteflies. June Check for aphids and whiteflies. November Check for aphids when weather is mild. December Check for aphids when weather is mild.

  Treat for Pest/Disease How do you treat the common problems for this plant? What products or concoctions or natural means do you use? Any special requirements? January Remove aphids with a strong spray of water. February Remove aphids with a strong spray of water. March Spray aphids and whiteflies with insecticidal soap. April Spray aphids and whiteflies with insecticidal soap. May Spray aphids and whiteflies with insecticidal soap. June Spray aphids and whiteflies with insecticidal soap. November Remove aphids with a strong spray of water. December Remove aphids with a strong spray of water.

  Transplant When's the best time to dig up and transplant this from one spot to another? (This is different than planting). Any special requirements? July Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. August Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. September Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. October Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. November Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed. December Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and the roots to one inch. Allow the cut sections to heal over for 4 to 24 hours before planting. The rhizomes can be kept in a cool, dry place for up to 3 weeks before replanting. Plant the rhizome so that the leafy end is pointed up and the top 1/4 inch of leaves is exposed.

  Propagate When's a good time to divide, take cuttings, layer or propagate this plant. Any special requirements? September Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and allow the cut sections heal over for 4 to 24 hours before planting. October Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and allow the cut sections heal over for 4 to 24 hours before planting. November Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and allow the cut sections heal over for 4 to 24 hours before planting. December Every 3 to 4 years when iris become crowded and the amount and quality of blooms decreases, lift and divide the rhizomes and replant them. Replant large rhizomes that have healthy leaves and throw out leafless ones. The rhizomes can be broken apart or cut with a knife. Before replanting, cut the leaves to two inches long and allow the cut sections heal over for 4 to 24 hours before planting.